During photosynthesis, plants capture carbon dioxide from the atmosphere, and water from the soil to carry out this process. What happens with carbon atoms is that they, with the sunlight action, will go to form glucose, whose chemical formula we can see it in the following:
[tex]6\text{ CO}_2\text{ + 6 H}_2\text{O }\rightarrow\text{ C}_6\text{H}_{12}\text{O}_6\text{ + 6 O}_{2\text{ }}[/tex]What those 6 numbers tell us, is that for each 6 carbon dioxide atoms, plus each 6 water molecules, the process will be carried out, producing one glucose molecule, plus 6 oxygen molecules.
Should recycling always be done even if it isn’t profitable
the lysis buffer used in this lab exercise is a generic bacterial lysis buffer. that means it does a decent job lysing common bacteria, such as gram positive and gram negative bacteria. lysozyme is included in this buffer to degrade peptidoglycan. thick layers of petidoglycan prevent the other components of the lysis buffer from being able to access and destabilize the cell membrane and, therefore, reduce lysis efficiency. if the lysozyme were to have been left out of the buffer when it was prepared, how would that influence the extractions that you performed?
(D) "There would be a minimal reduction in efficiency since both isolates were Gram negative." is how would that influence the extractions that you performed.
For the purpose of dissecting cells for use in molecular biology investigations that examine the labile macromolecules of the cells, lysis buffers are buffer solutions (e.g. western blot for protein, or for DNA extraction). To control the pH and osmolarity of the lysate, most lysis buffers include buffering salts like Tris-HCl and ionic salts like NaCl.
In healthcare settings, gram-negative bacteria can cause diseases such pneumonia, bloodstream infections, wound or surgical site infections, and meningitis. Gram-negative bacteria are becoming more and more resistant to the majority of existing antibiotics, as well as to a number of other medications.
Since both isolates were Gram negative, there would be a little drop in efficiency.
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Question correction:
The lysis buffer used in this lab exercise is a generic bacterial lysis buffer. That means it does a decent job lysing common bacteria, such as Gram positive and Gram negative bacteria. Lysozyme is included in this buffer to degrade peptidoglycan. Thick layers of petidoglycan prevent the other components of the lysis buffer from being able to access and destabilize the cell membrane and, therefore, reduce lysis efficiency. If the lysozyme were to have been left out of the buffer when it was prepared, how would that influence the extractions that you performed?
A. There would be a marked reduction in efficiency since both isolated were Gram positive. Incorrect The extraction would fail as lysozyme is absolutely required.
B. Salmonella isoaltes would have minimally reduced efficiency while non-Salmonella isolates would have markedly reduced efficiency.
C. Salmonella isoaltes would have markedly reduced efficiency while non-Salmonella isolates would have minimally reduced efficiency.
D. There would be a minimal reduction in efficiency since both isolates were Gram negative.
Which event occurs during telophase of mitosis?cytoplasm dividesnuclear membranes reformsister chromatids separatechromosomes become visible
During the Telophase, the daughter chromosomes reach the poles. Telophase passes into the next interphase as the nuclear envelopes and the nucleoli re-form and the chromatin becomes diffuse.
On the other hand, remember that cytokinesis starts during the nuclear division phase called anaphase and continues through telophase. Cytokinesis is the physical process of cell division, which divides the cytoplasm of a parental cell into two daughter cells.
We can conclude that the correct answers are:
Answer:Nuclear membranes reform
and
Cytoplasm divides
Which phrase describes a feature of the cell wall that allows materials to enter and exit the cell?
Answer:
c
Explanation:
The holes in the cell wall allow materials to enter and exit the cell. Therefore, option C is correct.
A cell wall is a rigid outer layer found in some cells, primarily in plant cells, fungi, algae, and certain bacteria. It is located outside the cell membrane and provides structural support, protection, and shape to the cell.
The composition of the cell wall varies depending on the organism. In plant cells, the primary component of the cell wall is cellulose, a complex carbohydrate. Other components such as hemicelluloses, pectins, and lignin may also be present. These components give the cell wall its strength and rigidity.
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how does the eukaryotic ribosomal small subunit recognize the start codon on the mrna?group of answer choicesit undergoes a conformational charge that recruits other proteins when it hydrogens bonds to the correct tri-nucleotide sequence.it binds an met-trna to the first aug codon after the kozak sequence.it wraps the mrna strand to bring initiation enhancer proteins into the vicinity of the start codon.it binds an met-trna to the first aug codon it encounters.it performs an atp hydrolysis within the small subunit once it encounters a met-trna already bound to the aug.
The statement "it binds an met-trna to the first AUG codon after the kozak sequence." is the correct answer to how eukaryotic ribosomal small subunit recognize the start codon on the mrna.
First option: This choice is incorrect since amino acids are connected to their associated tRNAs by activating ATP, a process known as aminoacylation of tRNA.
Option 2: This choice is appropriate. Once the tRNA is charged, mRNA attaches a met- tRNA to the first AUG codon following the kozak sequence.
Option three: This choice is incorrect. While recognizing the start codon on the mRNA, there is no conformational change in the tiny unit of the ribosome.
Option four: This choice is incorrect. The mRNA isn't wrapped by ribosomes. Instead, along the mRNA, ribosomes migrate from codon to codon.
Option 5: This choice is incorrect. The initial AUG codon, but before the kozak region, is where it binds a Met-tRNA.
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The debate regarding viruses continue. According to this passage, some consider viruses to be alive because they
Responses
A cause disease.cause disease.
B reproduce.reproduce.
C contains DNA or RNA.contains DNA or RNA.
D respond to stimuli.
The passage is missing but some consider viruses to be alive because they respond to stimuli (Option D).
Are viruses dead or alive?In general, it is well accepted that viruses are not life (but they are biological entities) because they are unable to survive in absence of suitable hosts in order to reproduce or obtain energy and the required molecular machinery for their functions.
Viruses have many properties that resemble organisms such as the presence of genetic material (either DNA or RNA) which is used to store the genetic information to produce proteins using the molecular machinery of host cells.
Therefore, with this data, we can see that viruses are not live because cannot live outside the hosts that they parasite but they are considered biological entities because share certain features with live organisms such as the presence of genetic material.
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which of the following is a major difference between prokaryotic cells and eukaryotic cells? prokaryotes are not able to carry out aerobic respiration, relying instead on anaerobic metabolism. eukaryotic cells have more intracellular organelles than prokaryotes. prokaryotes have cells but eukaryotes do not. prokaryotes are generally larger than eukaryotes.
Major difference between prokaryotic cell and eukaryotic cell is that Eukaryotes have more organelles inside their cells than prokaryotes do.
Organelles with two membranes are absent from prokaryotes.
The membrane-bound nucleus, mitochondria, Golgi apparatus, endoplasmic reticulum, chloroplast, and other structures are absent from prokaryotes.
first statement is incorrect because prokaryotes can be strictly aerobic/anaerobic, microaerophilic, aerobic, or both.
second one is incorrect because eukaryotic cells are larger than prokaryotic cells because they contain more organelles.
fourth statement is true as prokaryotes are monocellular, whereas eukaryotes—like yeast—are both monocellular (like animals, plants, and filamentous and colonial algae) and multicellular
Which of the following is a major difference between prokaryotic cells and eukaryotic cells?
a. Prokaryotes are not able to carry out aerobic respiration, relying instead on anaerobic metabolism.
b. Prokaryotes are generally larger than eukaryotes.
c. Eukaryotic cells have more intracellular organelles than prokaryotes.
d. Prokaryotes have cells but eukaryotes do not.
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how is muscle contraction stimulated by calcium ions? i. calcium ions are released from the sarcoplasmic reticulum and bind to myosin, stimulating atpase activity. ii. calcium ions are released from the sarcoplasmic reticulum and bind to tropomyosin, stimulating its atpase activity. iii. calcium ions are released from the sarcoplasmic reticulum and bind to actin, promoting its binding to myosin. iv. calcium ions are released from the sarcoplasmic reticulum and bind to troponin c, promoting the binding of myosin to actin. v. none of the other options.
Further explanation:
Muscle contraction is a state which the muscle fiber becomes tense and may shorten.Calcium, which is stored at extremely low amounts in the sarcoplasm, is required for contraction. Calcium ions bind to troponin when they are present, creating conformational changes in troponin that allow tropomyosin to migrate away from the myosin binding sites on actin.to know more about muscle, go to:
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What is the term associated with the type of compound in a mineral?
Answer: Inorganic
Explanation:
higher concentration of salt. 1. inhibits nucleic acids secondary structure formation by increasing repulsion of phosphodiester backbones. 2. will have no effect on nucleic acids secondary structure formation. 3. promotes nucleic acids secondary structure formation by decreasing repulsion of phosphodiester backbones. 4. affects nucleic acids secondary structure formation by changing the strength of stacking interactions. group of answer choices
A higher concentration of salt promotes nucleic acid's secondary structure formation by decreasing the repulsion of phosphodiester backbones.
What role does high salt concentration have in protein synthesis?To buffer the charges along the phosphate backbone and overcome electrostatic repulsion, high salt concentrations (> 0.6M) are frequently necessary. Protein aggregation and precipitation are aided by high salt concentrations.
What is the high salt concentration solution?The solution with a high salt concentration is known as DS. FO-RO hybrid systems outperform RO stand-alone systems for one of two reasons:
Fouling of the RO membrane is decreased, and seawater is diluted by FO, lowering the osmotic pressure of the seawater and hence the RO pressure.Learn more about osmotic pressure here:-
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methotrexate is a drug that can inhibit cell division by preventing the synthesis of purine bases. cells treated with methotrexate arrest at a particular stage of the cell cycle. q5.12 points during which stage of the cell cycle would you expect cells treated with methotrexate to arrest? briefly explain your reasoning in 1-2 sentences.
Methotrexate arrest cells at the late S-phase of the cell cycle.
Since methotrexate arrests cells in the late S-phase of the cell-progressive cycle, which is when DNA synthesis is occurring and they exhibit no discernible increase in DNA content, and no M-phase occurs, the outcomes of the methotrexate treatment may be more comparable to those shown for other treatments.
These traits may be seen in the graph of the cells treated with medication A, where a rise in x indicates that DNA synthesis is occurring while a drop in 2 indicates that no M-phase, or mitotic phase, is occurring.
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lipids that form membranes have what kind of structure? completely polar, which allows them to dissolve in water. polar heads and polar tails, which allows them to interact with water on both sides of the membrane. polar heads and nonpolar tails; the nonpolar tails interact with water. polar heads and nonpolar tails; the polar heads interact with water.
The lipids that form the membranes have the structure, polar heads and nonpolar tails; polar heads interact with water.
What is the main feature of lipids?The insolubility in water is the main characteristic of lipids. As they are non-polar compounds, water, being polar, has no influence on their structure. On the other hand, they are soluble in organic solvents such as alcohols, ethers and ketones.
What are the simplest units of lipids?Some types of lipids are built from fatty acids. Saturated and unsaturated fatty acid. The simplest are triglycerides, or triacylglycerols, which are composed of three fatty acids, joined with ester bonds to glycerol.
Despide these, all lipids have these common characterstics:
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How is the atomic number of an atom determined?
answer: counting the number of protons in the nucleus
The atomic number of an atom determined by counting Number of Protons
Atomic number:
The Atomic number of an atom determined by Number of protons present in nucleus of the atom of the element. It is denoted by alphabet 'Z'. All atoms of a element will contains the same number of protons, and as well as other characteristics.
Atoms of different elements will have different types of atomic numbers. For example, the atomic number of all atoms of the Oxygen is 8, whereas the atomic number of all atoms of the Carbon is 6.
The atomic numbers of an atom are whole numbers as they are obtained by counting protons. The combination of Number of protons and nucleus gives the Mass number of Atom.
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Why are enzymes so important in metabolic reactions?
Answer:
Explanation:
Enzymes are proteins that help speed up metabolism, or the chemical reactions in our bodies. They build some substances and break others down. All living things have enzymes.
What piece controls the amount of light that enters
the microscope ?
Read pls I need answers
place these events related to the history of earth in chronological order (from old to new) a) first prokaryote stromatolite b) stanley and urey's experimental verification c) accumulation of atmospheric oxygen d) first flowreing plant archefuctus liaoningensis e) pulbication of origin of species
first prokaryote stromatolite
pulbication of origin of species
stanley and urey's experimental verification
accumulation of atmospheric oxygen
first flowreing plant archefuctus liaoningensis
What is history of the earth?The evolution of the planet Earth from its creation to the present is the subject of Earth history. The major occurrences of Earth's past, which were marked by continuous geological change and biological evolution, have been better understood thanks to the work of nearly all fields of natural science.
The date of Earth's formation is 4.5 billion years ago (abbreviated Ga for gigaannum), and evidence points to the emergence of life earlier than 3.7 Ga. Although there is some evidence of life as early as 4.1 to 4.28 Ga, it is still debatable because it's possible that the so-called fossils didn't originate biologically.
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A proposed answer to a question about the natural world
Soil, rocks, water, air, plants, and animals all belong to the natural world. A thing's qualities can be used to characterize, contrast, and categorize it. Both living and nonliving creatures are found in nature. Living things are able to move, grow, and reproduce. They also require food, water, air, and shelter.
Hypothesis ; The Latin root of the word "science" means "knowing." Science is a unique method of learning about the natural world that begins with a query and then seeks an evidence- and logic-based response.
Scientists establish hypotheses as statements, which are then put to the test through research methods like experiments. In order to explain observed phenomena, hypothese are built utilizing logic, reasoning, and mathematical arguments.A hypothesis gives scientists a starting point for questions and helps them develop testable ideas and laws about how the natural world works. This aids in their understanding of the world around them. A theory offers a thorough justification for an event.To know more about Natural world please click here : https://brainly.com/question/24847017
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Paleontologists find a fossil ape with long arms. What type of environment can they infer it inhabited?.
The type of environment can they infer it inhabited is Woodland.
Environments such as lush rainforests and hot and humid climates are also not good places for fossils to form. Similarly, rocky peaks are not good places for fossils to form without depositing fine sediments. This radiometric method is often used to date the crystals and glasses of rapidly cooled volcanic rocks such as volcanic ash.
The most common minerals dated this way are zircon and apatite. For example, fossils are more likely to be preserved in marine environments where rapid burial by sediment is possible. Less favorable environments include rocky peaks where the carcass collapses quickly or deposits little sediment to bury the carcass.
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Cyclorana platycephala is a frog that is found in Australia. Like all frogs, it needs to keep its skin moist. During periods of drought it digs a chamber in the ground and lines it with mucous, which hardens and seals the chamber from water loss. The frog settles into the chamber, its metabolism slows down, and it becomes inactive. The frog can survive in this state for up to five years. Describe how this trait will determine the types of biome that the frog might live in.
These traits will make the frog live in harsh conditions in its different biomes.
The species, Cyclorana platycephala, has moist skin to undergo cutaneous respiration. It can dig underground chambers and line the chamber with mucous to avoid water loss. This is important to avoid severe conditions of drought when water is scarce.
The frog's ability to slow down its metabolism is also a brilliant feature to avoid harsh conditions of food and water unavailability. These traits allow the frog to survive in conditions that are impossible for other organisms to live in.
What is Cutaneous respiration?
Cutaneous respiration, also known as cutaneous gas exchange, is a type of breathing in which an organism's skin or outside integument serves as the site of gas exchange rather than its gills or lungs. Cutaneous respiration may be used in conjunction with other methods of gas exchange, such as ventilation, or it may function alone.
Therefore, these traits help the frog to live in severe environmental conditions.
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Write a Claim about how shared resources can be depleted and how to sustainably manage them
Shared resources can be depleted when used excessively and selfishly for one's interest only. For their sustainable management, the understanding should be inculcated that they are in limited quantities and hence should be used only when necessary and in required quantities.
Shared resources are those that are used by various individuals and populations at the same time. Due to their necessity they are in limited quantities and hence their efficient use is very essential. The examples of shared resources are fresh water bodies, grazing lands, forests, etc.
Sustainable management is the balanced use of resources so that they do not get depleted and are available for the use of the individuals.
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what is an r factor? a. it's a jumping dna that can cut itself out from one region of the chromosome, then insert itself in another location of the same or different chromosome. b. it's a plasmid that carries a number of resistant genes. c. it's a section of the phage dna that can be transferred among different bacterial hosts. d. it's a bacterial toxin many pathogens can produce.
An r factor is It's a section of the phage dna that can be transferred among different bacterial hosts.
The correct option is C.
Where are chromosomes found?Each cell's cell nucleus chromosomes, which are structures that resemble threads and carry the DNA molecule. Each chromosomes is constructed from DNA that has been tightly wound around proteins known as histones numerous times to maintain its structure.
What is the main function of a chromosome?DNA may be accurately duplicated during these cell divisions thanks to chromosomes. So, once again. Our cells' nuclei include chromosomes, which enable precise DNA replication during cell division. It guarantees that our internal processes go properly and easily.
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Explain how the structure of a cell’s membrane is related to its function.
Answer:
It forms a physical barrier and as a barrier between the cell and the external environment as it allows only selected necessary molecules to pass through it and at the same time prevents entry of unwanted / unnecessary substances. It also regulates the entry and exit of molecules into and out of the cell.
Explanation:
A geologist sees this folded rock when studying in the field. he is drawn to the sample that is labeled a. he determines this formation was caused by compression. what type of landform did he find at label a? anticline syncline plateau fault-block mountain
An anticline is a structural trap with an arch-like structure that typically forms as a result of compressional stress. In an anticline, the younger rocks are created on the outside while the older rocks are found inside.
What is meant by Anticline? A structural trap called an anticline is created when rock layers are folded into the shape of an arch. In an anticlinal trap, the rock layers were initially horizontally stacked until earth movement caused them to fold into an arch-like structure known as an anticline. Examples include the Purcell Anticlinorium, which dates from the Late Jurassic to Early Cretaceous and is located in British Columbia, the Blue Ridge Anticlinorium, which is located in the Appalachians in northern Virginia and Maryland, and the Nittany Valley in central Pennsylvania.Since these are the structures in which the oil and natural gas are confined, these anticlines are very significant in the study of geology. Thus, alternative is the right response (A).The complete question is,
A geologist sees this folded rock when studying in the field. He is drawn to the sample that is labeled A. He determines this formation was caused by compression. What type of landform did he find at label A? A)anticline B)syncline C)plateau D)fault-block mountain
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Answer:
A geologist sees this folded rock when studying in the field. He is drawn to the sample that is labeled A. He determines this formation was caused by compression.
What type of landform did he find at label A?
Answer: anticline
Give a detailed overview of your topic including their origin story (Hyperion greek mythology)
Hyperion was one of the twelve Titan kids of Gaia (Earth) and Uranus in Greek mythology (the Sky). Helios (the Sun), Selene (the Moon), and Eos are the products of Hyperion and his sister, the Titaness Theia (the Dawn).
Where does Greek mythology come from?Greek creation legend. The Ancient Greeks held the view that the world was initially in a state of chaos, or complete emptiness. Gaia (Mother Earth), Uranus (the sky), and other ancient gods (known as primordials), including Pontus, appeared out of thin air (the primordial god of the oceans).
Hyperion assisted his siblings in overthrowing their father, Uranus, and later rose to become one of the Titan pillars, notably the East pillar, which supports the sky in the universe. He is also credited with establishing the sun and moon cycles for his offspring.
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how do you investigate osmosis
Place the dried apricots and raisins in clean water and let them soak for a while. After that, add them to a salt- or sugar-concentrated solution. When submerged in pure water, endosmosis causes each of them to absorb water and enlarge.
What is the osmosis observation?Osmosis is the process by which solvent molecules move from a region of higher concentration to an area of lower concentration across a semi-permeable membrane.
Osmosis, on the other hand, simply moves water molecules, whereas diffusion moves both particles and substances. The purpose of this experiment is to examine how the potato cells respond to various sugar concentrations via the osmosis mechanism.
Osmosis is the process by which water molecules pass across a cell's partly permeable membrane from a solution with a high concentration of water molecules to one with a lower concentration.
Particles migrate from a region of higher concentration to one of lower concentration in both diffusion and osmosis.
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What number is water on a pH scale?
Answer: 7
Explanation:
neutral
during photosynthesis, light energy is converted into energy stored in _____ in molecules
Answer: Chloroplasts
you take a summer vacation by the ocean in P.E.I. you love the ocean plants you see and you decided to bring some home for the fish tank. after a week or two, you notice that your plants are not thriving to live in your freshwater tank. use your knowledge you gained in this chapter to propose a reason for this
The reason that the plants are not thriving to live in your freshwater tank is due to slow growth, and lack of adequate lighting and carbon dioxide.
How to illustrate the informationFrom the information illustrated, during the summer vacation, the person saw the ocean plants and decided to bring some home for the fish tank. Plants require nutrients for the same reasons that animals do. They require them in order to germinate, grow, combat diseases and pests, and reproduce. Nutrients, like animals, are required in bigger, smaller, or trace amounts for the plant to be healthy.
Nitrogen is the growth ingredient responsible for green, leafy growth. Nitrogen, as a primary component of proteins, is found in every living cell. As a result, this nutrient is usually more responsible for stimulating plant growth than any other.
It was later noticed that after a week or two, the plants are not thriving to live in your freshwater tank. In this case, the important thing to do is to create a consistent light that will compensate for the cycle. The fact that the ocean water is salted and the nutrients gotten from the ocean is also another contributory factor to the changes noticed.
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Hibernation is an adaptation that helps animals to _______. a. survive high elevations b. survive cold winters c. survive droughts d. evade predators please select the best answer from the choices provided a b c d
D The best answer for the question "Hibernation is an adaptation that helps animals to _______" is b. survive cold winters.
Hibernation is a survival mechanism that helps animals conserve energy during the harsh winter months when food and resources are scarce.
By lowering their metabolic rate, animals can slow down their bodily functions, reduce their energy expenditure, and survive for extended periods without food.
This adaptation allows animals to endure the cold and harsh conditions of winter, and it is especially useful for small mammals, such as squirrels, bats, and hedgehogs, who are unable to migrate to warmer areas.
Overall, hibernation is a remarkable adaptation that has helped many animals survive in challenging environments throughout the ages.
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