Answer:
A. NADPH
B. ADP
Explanation:
Thylakoid needs NADPH and ADP to produce ATP and Oxygen as by products during the process of photosynthesis. NADPH carries the electrons that are generated during the light dependent reactions and ADP will be converted to ATP using these electrons.
Porphyra also contains phycoerythrin, which is a red pigment.
1. Suggest a reason for phycoerythrin being absent from the Porphyra chromatogram
2. Predict one colour of light that will be absorbed efficiently by
phycoerythrin.
1A)a reason for phycoerythrin being absent from the Porphyra chromatogram is that
the pigment didn't dissolve/ was insoluble when the pigments from the algae were extracted
1B) Also, the pigment was not moved by solvent
/ was insoluble in the solvent used to separate the pigments
2A) orange/yellow/green/blue/violet can be the colour of light that will be absorbed efficiently by phycoerythrin.
R-phycoerythrin (R-PE), a red algal pigment complex, was isolated and refined from the recently discovered red alga Colaconema formosanum. Then, its bioactivities were looked into. It was shown that R-PE treatment significantly increased the vitality of the mammalian cell lines (>70%) but had no effect on the morphology of NIH-3T3 cells. It had less of an impact on the production of IL-6 and TNF- in lipopolysaccharide-stimulated RAW264.7 cells.
A significant amount of R-PE can be extracted from the crude P. haitanensis unclarified extract using the scalable technique outlined in this procedure. The value of this China-specific endemic Porphyra is increased by the high protein recovery method, which also speeds up the processing process and lowers expenses.
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rearrange the following steps to show how changes in pressure influence the opening and closing of heart valves on the left side of the heart.
When the pressure affected the opening and closing of heart valves on the left side of the heart, the following things happened in the right order:
1. The open mitral valve allows blood to pass from the atrium into the left ventricle.
2. The volume and pressure of the ventricles both rise.
3. When ventricular pressure exceeds atrial pressure, ventricular contraction starts.
4. The mitral valve shuts
5. The mitral and aortic valves contract against one other.
6. An open aortic valve
7. The ventricular pressure is higher than the aortic pressure
8. Blood discharged into the aorta from the ventricle
9. Ventricular pressure is higher than aortic pressure.
10. The aortic valve shuts
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Rearrange the following steps to show how changes in pressure influence the opening and closing of heart valves on the left side of the heart.
Product that is produced in high volume and with predictable demand and that is very price sensitive because the consumer can purchase it from a variety of competitors.
It is true to say that Product that is produced in high volume and with predictable demand and that is very price sensitive because the consumer can purchase it from a variety of competitors.
All shopper products which is buy by various consumers are representing the laws of organic market, so every kind of consumer eat exhibits the value versatility of interest. Nonetheless, this doesn't mean the connection among request and cost is equivalent across a wide range of customer merchandise. A few sorts of purchaser merchandise show exorbitant cost flexibility of interest, while others show very little.
There are different elements that decide a decent's value versatility of interest. These incorporate such things as the fundamental or trivial nature of specific products, the accessibility of cutthroat substitutes, and the impact of a decent's image name and promoting.Purchaser staples are a sub-class of shopper merchandise that are viewed as fundamental items. Instances of this incorporate food, drinks, and certain family merchandise. Purchasers view these products as essential and fundamental forever. These are the staples individuals can't (or are reluctant) to kill from their financial plan. Furthermore, these items are non-repeating, meaning they are required and utilized all year, not simply occasionally.
Hence, given statement is true.
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(Complete question) is:
Product that is produced in high volume and with predictable demand and that is very price sensitive because the consumer can purchase it from a variety of competitors.Select true or false.
If the input and output of carbon is balanced in the carbon cycle, what can be generalized about the resident times of carbon in organisms?
A.The resident time would be zero because carbon is released as soon
B. The resident time will depend on where the organism lives because it might be influenced by cellular respiration
C.The resident time will decrease because plants will be taking in carbon dioxide to use for photosynthesis
D. The resident time will increase because there will be a buildup of carbon in the atmosphere
Answer: A
Explanation:
"balanced” gives a key word that nothing is unequal so the release of carbon and the carbon being absorbed can’t be unequal (decrease or increase) so I makes sense for it to be zero, the moment carbon is released is the moment it becomes absorbed.
The resident time will depend on where the organism lives because it might be influenced by cellular respiration.
Option (B) is correct.
In a balanced carbon cycle, carbon input and output are in equilibrium, indicating a stable system. The resident time of carbon in organisms (the time carbon remains within an organism before being released) would be influenced by various factors, including the organism's habitat and its metabolic processes, such as cellular respiration.
Organisms in different environments have varying rates of respiration and decomposition, affecting how long carbon is retained. For instance, in a terrestrial environment, the resident time might be longer due to slower decomposition rates compared to an aquatic environment.
Therefore, the resident time of carbon in organisms is not universally zero (A), decreasing (C), or increasing (D), but rather dependent on ecological and physiological factors, making option B the most generalized and accurate statement.
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immunofluorescence analysis of mitochondria in control and mutant cells gives you the following images. mitochondria in wildtype cells are more linear than those in mutant cells. which of the following proteins is most likely defective in this mutant?
The correct answer is A mitochondrial fission factor. It appears that the mitochondria of wildtype cells are more linear in form, whereas the mitochondria of mutant cells are more rounded or round. This implies that the protein is probably flawed in this mutation.
According to the available data, the altered shape of the mitochondria in the mutant cells points to a flaw in a protein essential for maintaining the shape of the mitochondria. A protein network called the mitochondrial reticulum, which is made up of many proteins including mitofusins and intermediate filaments, plays a crucial function in fusing the outer mitochondrial membranes and preserving the shape of mitochondria in normal cells.
The mitochondrial reticulum and other cellular pathways that control the shape of mitochondria may potentially contain other proteins that are faulty. It would be necessary to do more research, such as genetic testing or functional tests, to determine precisely which protein in the mutant cells is faulty.
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The complete question is:
Immunofluorescence analysis of mitochondria in control and mutant cells gives you the following images. Which of the following proteins is most likely defective in this mutant? Please note that mitochondria are labeled by expressing RFP-tagged TOM20, a commonly used mitochondrial marker protein; RFP: Red Fluorescent Protein
a) ATP Synthase
b) A mitochondrial fission factor
c) kinesin
d) alpha-tubulin
Although most animals and some plants detect and respond to sound vibrations, the
precise sensitivity that we call hearing is rare in the living world. It is highly developed only
in birds and mammals, and the same operational system applies in all vertebrate auditory
systems. Sound waves cause a liquid within the organism's auditory apparatus to vibrate.
These vibrations are picked up by receptors that transmit signals to nerve cells. These
cells then communicate the sound to the brain. Humans can hear vibrational frequencies
of 20 to 20,000 cycles per second; cats respond to frequencies of up to 50,000 cycles per
second; and porpoises and bats pick up frequencies of 100,000 cycles per second.
Which statement does the passage support?
A. Some frequencies are beyond the human hearing range.
B. Humans have the best hearing of all animals.
C. Ears are damaged by high frequencies.
D. Invertebrates have better "hearing" systems than vertebrates.
E. Cats and porpoises are adapted to hearing low frequencies.
Answer:
A. Some frequencies are beyond the human hearing range.
The passage states that humans can hear vibrational frequencies of 20 to 20,000 cycles per second, while cats respond to frequencies of up to 50,000 cycles per second and porpoises and bats pick up frequencies of 100,000 cycles per second. This indicates that some frequencies are beyond the human hearing range, and that other animals have a greater sensitivity to higher frequencies than humans do. It also supports that some animals are adapted to hearing high frequencies. The passage does not provide any information that supports the other statements B, C, D and E.
While his theory of evolution by natural selection applies to living things, Darwin was also a knowledgeable:
mathematician
astronomer
physicist
geologist
While his theory of evolution by natural selection applies to living things, Darwin was also a knowledgeable geologist
Charles Darwin, full name Charles Robert Darwin, was an English naturalist whose scientific theory of evolution by natural selection served as the cornerstone of modern evolutionary studies. Darwin was born on February 12, 1809 in Shrewsbury, Shropshire, England, and died on April 19, 1882 in Downe, Kent. Darwin, a jovial country gentleman, first alarmed Victorian society by claiming that humans and animals had a common ancestor. By the time of his death, evolutionary imagery had permeated every branch of research, literature, and politics. His nonreligious biology, however, appealed to the burgeoning class of professional scientists. The highest honor bestowed upon a British citizen was Darwin's burial at Westminster Abbey, despite the fact that he was an atheist himself.
After completing a circumnavigation of the globe aboard the HMS Beagle in 1837–1839, Darwin developed his audacious theory in private. It was not until On the Origin of Species (1859), a book that had a significant impact on contemporary Western society and thought, that he finally gave it full public expression.
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a study of iron deficiency among infants compared samples of infants following different feeding regimens. one group contained breast-fed infants, while the infants in another group were fed a standard baby formula without any iron supplements. the data consisted of blood hemoglobin levels at twelve months of age for each infant in the study
The study aimed to compare the prevalence of iron deficiency among two groups of infants with different feeding regimens.
The first group was composed of breast-fed infants, while the second group was composed of infants fed a standard baby formula without any iron supplements. The data collected for the study was the blood hemoglobin levels of each infant at 12 months of age. Iron is an essential nutrient for infants, as it plays a crucial role in the formation of hemoglobin, which carries oxygen to the body's tissues. Lack of iron can result in iron-deficiency anemia, which can have negative impacts on an infant's health and development. By comparing the hemoglobin levels of breast-fed and formula-fed infants, the study aimed to shed light on the effectiveness of different feeding regimens in providing adequate iron for infants and preventing iron deficiency. The results of this study could have important implications for infant feeding and nutrition guidelines, as well as for pediatricians and parents in making informed decisions about infant feeding. In conclusion, the study of iron deficiency among infants compared two groups of infants with different feeding regimens, with the goal of comparing the prevalence of iron deficiency among them. The data collected was the blood hemoglobin levels of each infant at 12 months of age, which provides insight into the effectiveness of different feeding regimens in providing adequate iron for infants.
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This study aimed to compare the prevalence of iron deficiency among two groups of infants with different feeding regimens.
The first group was composed of breastfeeding infants, while the second group was composed of infants fed a standard baby formula without any iron supplements. The data collected for the study was the blood hemoglobin levels of each infant at 12 months of age. Iron is an essential nutrient for infants, as it plays a crucial role in the formation of hemoglobin, which carries oxygen to the body's tissues. Lack of iron can result in iron-deficiency anemia, which can have negative impacts on an infant's health and development. By comparing the hemoglobin levels of breastfed and formula-fed infants, the study aimed to shed light on the effectiveness of different feeding regimens in providing adequate iron for infants and preventing iron deficiency. The results of this study could have important implications for infant feeding and nutrition guidelines, as well as for pediatricians and parents in making informed decisions about infant feeding. In conclusion, the study of iron deficiency among infants compared two groups of infants with different feeding regimens, with the goal of comparing the prevalence of iron deficiency among them. The data collected was the blood hemoglobin levels of each infant at 12 months of age, which provides insight into the effectiveness of different feeding regimens in providing adequate iron for infants.
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epinephrine and norepinephrine are secreted by the adrenal glands and are both when used in the nervous system and when used in the endocrine system.
The neurotransmitter noradrenaline also reaches your adrenal gland, which releases the hormones adrenaline( epinephrine) and noradrenaline( norepinephrine).
These hormones travel through your blood to all corridors of your body. They reach your eyes, heart, airways, blood vessels in your skin and your adrenal gland again. Norepinephrine is produced in the inner part of the adrenal glands, also called the adrenal medulla. The adrenal medulla also makes adrenaline( also known as epinephrine).
Norepinephrine, adrenaline and dopamine belong to part of the catecholamine family. When a stressor begins, epinephrine and norepinephrine are released from the adrenal medulla and norepinephrine is released from the sympathetic whim-whams outstations. Because the secretory cells are neurons, catecholamine release is veritably quick, and goods can be seen in lower than an alternate.
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Epinephrine and norepinephrine are secreted by the adrenal glands and are both neurotransmitters when used in the nervous system and hormones when used in the endocrine system.
Neurotransmitters are the chemical messengers that function to relay the electrical signals inside one nerve cell to another nerve cell in the chemical form. Neurotransmitters can be excitatory as well as inhibitory in function. The examples are: glutamate, GABA, dopamine, etc.
Hormones are also the chemical messengers that are secreted from specific glands, called the endocrine glands. They are different from neurotransmitter because hormones can be diffused openly but neurotransmitters remain confined between two neurons.
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Select all that applyWhich of the following are correct descriptions of a gene?Multiple select question.A unit of heredityOne or more polypeptides with a specific functionA segment of DNA that produces a functional productA chromosome
A unit of heredity following are correct descriptions of a gene remaining was not about correct for gene
A segment of DNA that produces a functional product
A chromosome is not correct description of a gene. Genes are segments of DNA located on a chromosome that contain the genetic information that provides the instructions for the formation, function, and reproduction of cells and organisms. Genes can code for one or more polypeptides that have specific functions
A gene is a unit of heredity, which is the process of passing on genetic traits from one generation to the next. Genes are segments of DNA located on chromosomes that contain the genetic information that provides the instructions for the formation, function, and reproduction of cells and organisms. The sequence of nucleotides (A, C, G, and T) in a gene determines the sequence of amino acids in a protein, which in turn determines the protein's function. Genes control everything from eye color and hair texture to susceptibility to certain diseases. Changes in the DNA sequence of a gene, called mutations, can result in genetic disorders or variations in physical characteristics. The combination of genes inherited from both parents determines an individual's unique traits.
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A unit of heredity, one or more polypeptides with a specific function, and a segment of DNA that produces a functional product are correct descriptions of a gene. Here options A, B, and C are the correct answer.
A gene is a unit of heredity, which means that it is a section of DNA that contains the information needed to code for a specific trait. A gene is a segment of DNA that produces a functional product, it is a unit of genetic information that codes for a specific protein or RNA molecule.
These proteins or RNA molecules have specific functions in the body and are responsible for the physical and behavioral characteristics that we inherit from our parents. A chromosome is not a correct description of a gene, Chromosomes are structures in cells that contain DNA and proteins.
They are found in the nucleus of cells, and they are made up of many genes. Each chromosome contains a long, coiled strand of DNA that carries genetic information, which is packaged with proteins to form the chromosomes.
Complete question:
Which of the following are correct descriptions of a gene? Multiple select question.
A - A unit of heredity
B - One or more polypeptides with a specific function
C - A segment of DNA that produces a functional product
D - A chromosome
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watch the video clip of cells in the small intestine. name the general location along the villus where the following processes occur: cell division: cell differentiation: apoptosis:
The general location along the villus where cell division occurs is the crypt, cell differentiation occurs ascending the villus, and apoptosis occurs at the apex of the villus.
The intestinal villi are numerous finger-like structures that project into the gut lumen and are covered by epithelial cells. The villi are well known for increasing the surface area of the gut for efficient absorption. By separating the villus tips, where cells shed, from the crypts, where cells are produced, the villi prevent epithelial cells from shedding too early or remaining in the epithelium for too long. Apoptosis is the programmed cell death which then occurs at the apex of these villi.
The villi's walls are one cell thick. This allows substances to be absorbed more quickly and easily through diffusion. Each villus is composed of a network of blood capillaries that transport glucose and amino acids into the blood. Each villus transports nutrients from the intestine to a system of capillaries and fine lymphatic vessels.
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Which statements describe how the uterus, ovaries, and Fallopian tubes function together to assist in conception?
Select all that apply.
O Ovaries mature the ovum.
O The uterus stores glycogen.
O Fallopian tubes transport the ovum.
O The uterus supports pelvic structures.
O The ovary releases follicle-stimulating hormone (FSH) and luteinizing hormone (LH).
The correct statement which describes function of uterus, ovaries, and Fallopian tubes are a) Ovaries mature the ovum, c)Fallopian tubes transport the ovum, d)The uterus supports pelvic structures.So,correct options are a,c,d
The ovaries foster an ovum to development during each regenerative cycle to aid origination. The Fallopian tubes transport the ovum during each regenerative cycle to aid conception.The perineum, not the uterus, upholds pelvic designs. The uterus plans for origination during each regenerative cycle by putting away enormous amounts of glycogen, proteins, lipids, and minerals in the endometrium.The ovaries answer FSH and LH set free from the front pituitary yet don't deliver these chemicals to aid origination.The ovaries are revealed in the peritoneal pit yet are fastened to the body wall through the suspensory tendon of the ovary which is a back expansion of the wide tendon of the uterus. The piece of the wide tendon of the uterus that covers the ovary is known as the mesovarium.
Hence,correct options are a,c,d.
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(Complete question) is:
Which statements describe how the uterus, ovaries, and Fallopian tubes function together to assist in conception?
Select all that apply.
a) Ovaries mature the ovum.
b) The uterus stores glycogen.
c) Fallopian tubes transport the ovum.
d) The uterus supports pelvic structures.
e) The ovary releases follicle-stimulating hormone (FSH) and luteinizing hormone (LH).
The statements that describe how the uterus, ovaries, and Fallopian tubes function together to assist in conception are: (1) Ovaries mature the ovum; (2) The uterus stores glycogen; (3) Fallopian tubes transport the ovum.
Uterus is the organ present in females that is also known by the name womb. It is a muscular structure in the shape of an inverted pear where the development of the fetus takes place to form a fully grown child.
Ovaries are the female reproductive glands that synthesize the female gametes called ovum or egg. These are present in a pair, one at each side: left and right. Ovaries are also the site for hormone synthesis like progesterone and estrogen.
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HELPPPPPPPPPPPPPPPPPPP
Answer:
Super Giants is the answer
Explanation:
Super Giants are so big and their increase in size means that there is a greater surface to give off light.
During inhalation, a person s diaphragm and intercostal muscles contract, expanding the chest cavity and lowering the internal air pressure below ambient so that air flows in through the mouth and nose to the lungs. Suppose a person s lungs hold 1250 mL of air at a pressure of 1 atm. If the person expands the chest cavity by 525 mL while keeping the nose and mouth closed so that no air is inhaled, what will be the air pressure in the lungs in atm? Assume the air temperature remains constant.
The air pressure in the lungs after expanding the chest cavity by 525 mL will be 0.009 atm.
The air pressure in the lungs can be calculated using the ideal gas law, which states that PV = nRT, where P is the pressure, V is the volume, n is the number of moles, R is the ideal gas constant, and T is the temperature.If the person's lungs hold 1250 mL of air at a pressure of 1 atm and the person expands the chest cavity by 525 mL while keeping the nose and mouth closed so that no air is inhaled, the new volume of the lungs will be 1250 mL + 525 mL = 1775 mL. Now we can use the ideal gas law to find out the new pressure inside the lungs:
P = (nRT) / V
Where R= 0.0821 Latm/molK
T = 298 K (room temperature)
V = 1775 mL
n is not needed as the number of moles is not given, so we can cancel it out from the equation.
P = (0.0821 * 298) / 1775
P= 0.009 atm
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The air pressure in the lungs after expanding the chest cavity by 525 mL will be 0.009 atm.
The air pressure in the lungs can be calculated using the ideal gas law, which states that PV = nRT, where P is the pressure, V is the volume, n is the number of moles, R is the ideal gas constant, and T is the temperature.
If the person's lungs hold 1250 mL of air at a pressure of 1 atm and the person expands the chest cavity by 525 mL while keeping the nose and mouth closed so that no air is inhaled, the new volume of the lungs will be 1250 mL + 525 mL = 1775 mL.
Now we can use the ideal gas law to find out the new pressure inside the lungs:
P = (nRT) / V
Where R= 0.0821 Latm/molK
T = 298 K (room temperature)
V = 1775 mL
n is not needed as the number of moles is not given, so we can cancel it out from the equation.
P = (0.0821 * 298) / 1775
P= 0.009 atm
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Corneal tissue transplantation has an extremely high success rate for a variety of reasons, including all of the following with exception of:
O Avascularity
O Reasonable low concentration of class I antigens
O An essential absence of Class II antigens
O Eccentrically place grafts
Corneal tissue transplantation has an extremely high success rate for a variety of reasons, including all of the following with exception of:
Eccentrically place grafts
A healthy donor cornea is substituted for a damaged or diseased cornea during a surgical operation known as corneal tissue transplantation, also known as a corneal graft or transplant. With a success rate of over 90% for penetrating keratoplasty (PKP) and over 95% for endothelial keratoplasty, corneal tissue transplantation has a very high success rate (EK). This is because of a number of elements, including the cornea's avascularity, the low concentration of class I antigens, and the absence of class II antigens, all of which lower the risk of rejection. The operation can enhance eye health and attractiveness, lessen pain and discomfort, and increase vision.
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Which of the following processes will occur in the presence or absence of oxygen?
A. glycolysis
B. electron transport chain
C. oxidative phosphorylation
D. cellular respiration
E. citric acid cycle
Glycolysis processes will occur in the presence or absence of oxygen.
Glycolysis is a process which takes place in presence and absence of oxygen and takes place in cytoplasm of the cell.
glycolysis is where glucose is broken down into 2 molecules of pyruvate and 4 ATP and 2 NADH molecules are produced, this in absence of oxygen is converted to lactic acid with the help of lactate dehydrogenase
whereas, in the presence of oxygen, the NADH produced in the cycle moves to the kreb cycle and then oxidative phosphorylation takes place, where ATP is produced.
The anaerobic glycolysis takes place during absence of oxygen, which is during exercise.
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HELPPP!!! 84 POINTS!!! Constructed response: Osmosis. Jonathan is conducting an experiment using a type of bag that is permeable to distilled water, but not to the sugar water. He fils the three bags with their given solution, weighs and places hem into the different beakers. The diagram below shows the contents of the bags and hastiers at the beginning of the experiment. Predict what will happen after 20 minutes for Beaker 1, 2, and 3. Please help. Fast!
Answer:
Explanation:
After 20 minutes, in Beaker 1, the distilled water bag will gain weight due to the water from the beaker diffusing into the bag through the permeable membrane. This is because the concentration of water molecules is higher on the outside of the bag and the water will move from an area of high concentration to an area of low concentration. The sugar water bag will not change in weight because the membrane is not permeable to the sugar molecules and so they will not diffuse through the membrane.
In Beaker 2, the distilled water bag will lose weight as the water inside the bag will diffuse out of the bag and into the beaker because the concentration of water inside the bag is higher than the concentration of water outside the bag. The sugar water bag will not change in weight because the membrane is not permeable to the sugar molecules, and so they will not diffuse through the membrane.
In Beaker 3, both the distilled water and the sugar water bags will not change in weight because the concentration of water and sugar inside the bags are the same as the concentration of water and sugar outside the bags, so there will be no net movement of water or sugar through the membrane.
assume that cohesin is not degraded before anaphase begins in mitosis. what might cause this abnormality? please choose the correct answer from the following choices, and then select the submit answer button. answer choices shugoshin is made but is not broken down. the enzyme separase is not functional. shugoshin is not being made or is defective. homologous chromosomes have not paired correctly.
Assume that cohesin is not degraded before anaphase begins in mitosis. Shugoshin is made but is not broken down. the enzyme separase is not functional. shugoshin is not being made or is defective. homologous chromosomes have not paired correctly.
The protein Shugoshin that including Sgo1 and Sgo2, are evolutionarily conserved function to protect sister chromatid cohesion, thus it ensuring chromosomal stability during meiosis and mitosis in eukaryotes.
It is known about the molecular basis of Sgo 1 degradation and its temporal control during mitosis. when Shugoshin is degraded by the anaphase-promoting complex, that allowing the separation of sister centromeres in anaphase.
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How is it possible that plants can express firefly genes
A. Plants have the recessive firefly genes in their DNA.
B. Diverse forms of life share a common genetic code.
c. The genetic code for the fluorescent plant protein is a
mutation.
D. Proteins are engineered into genes in the DNA of
other organisms.
Plants can express firefly genes as diverse forms of life share a common genetic code. Hence option (B) is correct.
What is genetic code?Living cells convert information from genetic material encoded in proteins using a system of rules known as the genetic code. Two different kinds of genetic code exist. Codons from DNA or RNA can be used to express genetic information. The codons that are actually "read" when polypeptides are synthesized are known as RNA codons, which are found in messenger RNA (mRNA) (the process called translation).
Codons, a collection of three-letter nucleotide combinations that make up the genetic code, are each associated with a particular amino acid or stop signal. Codons are formed by three-base groups; one amino acid is represented by each codon (or start or stop). Unambiguous, redundant, and ubiquitous is the genetic code.
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What were John Muir and Gifford Pinchot's motivations to get involved in
the land management issues?
Both John Muir as well as Gifford Pinchot were concerned with the environment due of the deforestation, which led to their involvement in land management concerns.
Explain the roles of John Muir and Gifford Pinchot?America experienced an environmental catastrophe in the 1890s.
Land designated for homesteading in the rugged West languished unclaimed, too far away and dangerous for potential farmers, and completely unprotected by that of the government. For lumber, corporations purchased vast forests. Many believed that a timber famine would occur within the following 20 years.John Muir, the most renowned naturalist in American history, was traveling with Gifford Pinchot, a teenage forester who would go on to be the first chief of a U.S. Forest Service.The two had come to represent the opposing ideologies at the core of the American system of public lands: conservation vs. preservation. Muir believed that nature was God and that it was best preserved without human interference. Pinchot believed that nature was a commodity that should be responsibly shared by as many people as possible.To know more about the land management, here
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which of the following developments in the late nineteenth and early twentieth centuries most directly represented a continuation of the pattern described in the excerpt? responses the growth of international immigration to the united states the growth of international immigration to the united states the expansion of sharecropping and tenant farming in the south the expansion of sharecropping and tenant farming in the south the consolidation of corporations into large trusts and holding companies the consolidation of corporations into large trusts and holding companies the organization of workers into local and national unions
a campaign that emphasised the right of women to vote. Supporting developing countries through foreign policy is one way to stop communism from spreading.
Expanding suffrage from the a system based on property ownership to only one based on voting by all adult white men enabled the country to transition into a more participatory democracy, which was also accompanied by the expansion of political parties. Supporting developing countries through foreign policy is one way to stop communism from spreading.a campaign that emphasised the right of women to vote. As a result of their connection via transportation networks, the North and the West established a solid relationship. Nationalism became a powerful force during the nineteenth century, causing profound changes in Europe's political and intellectual landscape. In place of the multiple-nation dynastic empires of Europe, these changes ultimately led to the rise of the nation-state.
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What is Tonoplast????
Answer:a semipermeable membrane surrounding a vacuole in a plant cell.
Explanation:
Answer:I hope this helps
Explanation:
Tonoplast-a membrane which bounds the chief vacuole of a plant cell.
Tonoplast is a single membrane that bounds the vacuoles and separates it from cytoplasm. In plants, tonoplasts facilitate uphill transport of many ions and other materials, making their concentration higher in vacuole than cytoplasm.
A tonoplast is a cytoplasmic-membrane surrounding the vacuole within plant cells. The tonoplast is also known as the vacuolar membrane.
The tonoplast is found surrounding the vacuole of a plant cell and separates the inner vacuole material, or lumen, from the surrounding cellular material, or cytosol
Tonoplast is a single membrane that bounds the vacuoles and separates it from cytoplasm. In plants, tonoplasts facilitate uphill transport of many ions and other materials, making their concentration higher in vacuole than cytoplasm. So, the correct answer is 'Membrane boundry of the vacuole of plant cells'.
Please help me this question guys please explain
U = Union
n= intercestion
B'= not b
A"= not a
so AnB'
should be B
if 2.50 = 1
2.50x8=
20
1×8 = 8
should be $8
What is equation?The equation in question would completely break down because people would be able to do whatever they wanted without being stopped or punished for doing something illegal.
The transformation of System A into System B is:
Equation [A2]+ Equation [A 1] → Equation [B 1]"
To transform System A into System B as 1 × Equation [A2] + Equation [A1]→ Equation [B1] and 1 × Equation [A2] → Equation [B2].
Therefore, if 2.50 = 1
2.50x8=
20
1×8 = 8
should be $8
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The complete part of the question will be
"How do we transform System A into System B?
Equation [A1] → Equation [B1]
Equation [A2]→ Equation [B2]
Equation [A1]+Equation [A 2] → Equation [B 2]
Equation [A2]+ Equation [A 1] → Equation [B 1]"
which of the following is a process in which the dna itself is modified by environmental events and those genetic changes are then transmitted to children?
A process in which the DNA itself is modified by environmental events and those genetic changes are then transmitted to children is epigenetics.
Thus, the correct answer is epigenetics (A - look at the complete options under the explanation)
What are epigenetics?Epigenetics is the study of how your behаviors аnd environment cаn cаuse chаnges thаt аffect the wаy the genes work. Unlike genetic chаnges, epigenetic chаnges аre reversible аnd do not chаnge the DNА sequence, but they cаn chаnge how the body reаds а DNА sequence.
Gene expression refers to how often or when proteins аre creаted from the instructions within the genes. While genetic chаnges cаn аlter which protein is mаde, epigenetic chаnges аffect gene expression to turn genes “on” аnd “off.” Since your environment аnd behаviors, such аs diet аnd exercise, cаn result in epigenetic chаnges, it is eаsy to see the connection between the genes аnd the behаviors аnd environment.
Your question is incomplete, but most probably your full options were
a. epigenetics
b. genetic neuroscience
c. dizygotic mutation
d. behavioral genetics
e. ecological spreading
Thus, the correct option is A.
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humans rely on their senses of to gather information about the world around them
The given statement that humans rely on their senses of to gather information about the world around them is true because they depend on the senses of sight, taste, touch, hearing and smell.
What senses do people use in dealing with information?Humans have five senses: sight, hearing, taste, smell, and touch with the skin serving as the fifth. Our eyes are by far the most crucial sensory organs. Up to 80% of all stimuli are registered by our visual sense.
The five senses—sight, taste, touch, hearing, and smell—gather data about our surroundings that the brain interprets. Based on prior experience (and subsequent learning), as well as by combining the data from each sense, we make sense of this information.
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complete question:
TRUE/FALSE Humans rely on their senses of to gather information about the world around them.
Minerals are _______ substances with a fixed crystal structure and a unique chemical composition.
Answer:
Minerals are inorganic substances with a fixed crystal structure and a unique chemical composition.
Type a summary explaining how we know that tectonic plates is the
cause of volcanoes, earthquakes, mid ocean ridges, and mountains.
Then, record your voice reading your explanation.
According to scientific theory of plate tectonics, the Earth's subterranean motions result in the formation of significant landforms.
Which scientific theory is it?Using the scientific method, a theory is a well-planned explanation for observations made about the natural world that combines numerous facts and assumptions.
Which is better, theories or hypotheses?An hypothesis is an assertion made without any supporting evidence. It is created for the purpose of being examined to determine whether it might be accurate. An explanation for something that has already been demonstrated by facts is called a theory.
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Columnar epithelial cells in the uterine tubes and respiratory passageways have..., which can push the egg towards the uterus
Columnar epithelial cells in the uterine tubes and respiratory passageways have cilia, which can push the egg towards the uterus.
The cilia, which are small, hair-like projections on the surface of the cells, are used to move mucus and other fluids through the tubes. In the case of the uterine tubes, the cilia help to move the egg from the ovary to the uterus, where it can potentially be fertilized. Similarly, in the respiratory passageways, the cilia help to move mucus and debris out of the lungs, keeping the airways clear.
This is an example of how the same organelles can have different functions depending on the tissue in which they are found.
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the text points out that a macrolevel analysis of gender examines structural features, external to the individual, that perpetuate gender inequality. these structures are referred to as , meaning that gender is one of the major ways by which social life is organized in all sectors of society. group of answer choices gendered institutions gendered determinants gendered structures gendered correlates
Gendered institution structures are referred to, implying that gender is one of the major ways by which institutions operate.
The term "gendered institutions" refers to the presence of gender in the processes, practices, images and ideologies, and power distributions in various sectors of social life.
Education is an example of a gendered institution. Girls and boys are expected to dress differently and appropriately in education, they frequently have gender-segregated classes (such as separate sex education), and how girls and boys play differently at recess makes it a gendered institution.
The term "gendered institutions" refers to how entire institutions are patterned by gender. Men and women are channeled into different, and often differently valued, social spaces or activities in a gendered institution, and their choices have different, and often unequal, consequences.
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overpopulation that forced farming families to migrate to urban centers overpopulation that forced farming families to migrate to urban centers the movement to promote child labor to instill values of hard work and frugality the movement to promote child labor to instill values of hard work and frugality the preference of factory owners for a cheap labor force the preference of factory owners for a cheap labor force the need for increased family income during the great depression
The conditions shown in the photograph emerged most directly as a result of the preference of factory and industries owners of textile for a cheap labor force for employment.
The effects on the family, which is the most fundamental social unit, may have been the most pernicious effects of the new circumstances. In its purest form, the preindustrial family was an economic and social unit. On a family farm or in a shop, married couples and their kids frequently shared labor or worked side by side for the benefit of the whole family. Women and men frequently worked in their rural houses in 18th-century Great Britain, executing tasks like textile spinning and weaving for merchant proprietors on a piecework basis. The "putting-out" or domestic system was the name given to this decentralized system of employment. But as industrial cities and manufacturing production increased, most people had to separate their homes from their places of employment.
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The complete question is:
1908 photograph by Lewis Hine of Sadie Pfeifer, one of many children working in a South Carolina cotton mill. The conditions shown in the photograph emerged most directly as a result of which of the following?
Overpopulation that forced farming families to migrate to urban centersThe movement to promote child labor to instill values of hard work and frugalityThe preference of factory owners for a cheap labor forceThe need for increased family income during the Great Depression