the of a human begins with the production of gametes by and the consecutive growth of the organism because of .

Answers

Answer 1

The life cycle of a human begins with the production of gametes by meiosis and the consecutive growth of the organism because of mitosis.

Meiosis is a cell division process that occurs in sexually reproducing organisms. It occurs in the reproductive organs of animals, the ovaries in females and the testes in males, and in the reproductive structures of plants. Meiosis is a process that reduces the number of chromosomes in a cell by half in preparation for fertilization.

Mitosis is the process by which a cell divides to produce two identical daughter cells. Mitosis is a fundamental process in the growth and development of multicellular organisms. During mitosis, the cell's nucleus divides, and the chromosomes are separated into two identical sets of chromosomes, each in its own nucleus. Mitosis plays a significant role in the growth and development of multicellular organisms.

Learn more about meiosis at https://brainly.com/question/25995456

#SPJ11


Related Questions

Classify each interaction as mutualism, commensalism, or parasitism. Explain your answers.

A remora fish attaches itself to the underside of a shark without harming the shark, and eats leftover bits of food from the shark's meals.

A vampire bat drinks the blood of horses.

A bee collects pollen and pollinates a flower.

Answers

The remora fish that frequently swim alongside the leopards shark and yet are bonded to its body exhibit mutualism. The Remora hangs out beneath the shark's belly & scavenges extra food that it has left behind.

What roles do blood cells play in the body?

The primary function for red blood cells, and erythrocytes, is to transport carbon dioxide, a waste product, from the tissues back to the lungs and deliver oxygen from the lung to the body's tissues.

What occurs when red blood cell levels are low?

The body's capacity to move nutrients and oxygen throughout the cardiovascular system can be impacted by anemia, commonly known as a low RBC count. It may result in weakness, lightheadedness, and palpitations.

To know more about Blood visit:

https://brainly.com/question/14781793

#SPJ1

which muscle group controls the knee from the end of the loading response to midstance (i.e. from 15 degrees of flexion to 0 degrees of flexion)?

Answers

The muscle group that controls the knee from the end of the loading response to midstance (i.e., from 15 degrees of flexion to 0 degrees of flexion) is the quadriceps muscle group. They are responsible for extending the knee joint and straightening the leg.

Anatomically, the quadriceps femoris consists of four different muscles: the rectus femoris, vastus intermedius, vastus medialis, and vastus lateralis. Together, these four muscles form the large muscle mass that extends from the hip to the knee joint.

The quadriceps muscle group is important for activities like walking, running, jumping, and squatting. During the loading response to the midstance phase of gait, the quadriceps work to control the knee joint as the leg absorbs impact forces and transitions from a bent to a straight position.

Learn more about the quadriceps muscle group:

https://brainly.com/question/28812050

#SPJ11

4) after experimenting with the effects of ph on enzymes, would you suspect that the human body maintains a constant blood ph? why or why not? what would be the adaptive advantage of this?

Answers

After experimenting with the effects of pH on enzymes, it can be suspected that the human body maintains a constant blood pH. This is because enzymes in the human body work best at a specific pH range, and any change in pH can denature the enzymes and hinder their functionality. Thus, the human body has an adaptive advantage by regulating the pH of blood.

The pH of blood in the human body is typically maintained at a slightly basic pH range of 7.35-7.45. This is accomplished through the regulation of hydrogen ion concentration in the blood, which is primarily managed by the lungs and kidneys. The lungs regulate carbon dioxide levels, which can affect blood pH, by controlling the amount of carbon dioxide exhaled. The kidneys excrete excess hydrogen ions in urine and reabsorb bicarbonate ions, which can help buffer blood pH.

Maintaining a constant blood pH is crucial for several reasons. Firstly, enzymes in the human body work best at a specific pH range. Any change in pH can denature the enzymes and hinder their functionality. Secondly, changes in blood pH can also affect the oxygen-carrying capacity of hemoglobin, which can lead to impaired gas exchange in the lungs. Finally, maintaining a constant blood pH is important for maintaining cellular function and preventing tissue damage.

In summary, the human body maintains a constant blood pH due to the need for enzymes to function optimally, the importance of gas exchange in the lungs, and the need to prevent tissue damage. This is accomplished through the regulation of hydrogen ion concentration in the blood, which is primarily managed by the lungs and kidneys.

Here you can learn more about pH of blood

https://brainly.com/question/14536764#

#SPJ11  

vii. explain how a single neurotransmitter can elicit different responses at different postsynaptic cells.

Answers

The neurotransmitter released by a neuron can elicit different responses at different postsynaptic cells due to different receptor proteins on the postsynaptic cell.

The receptors on the postsynaptic cell are activated by different neurotransmitters, which then cause the cell to produce different responses. For example, some receptors on the postsynaptic cell might activate certain ion channels that cause an influx of calcium ions, while others might cause an influx of sodium ions or other substances.

These different responses can be triggered by different concentrations of the same neurotransmitter, depending on the receptor proteins present on the postsynaptic cell.

Furthermore, postsynaptic cells can also have different expression levels of receptors, which can lead to different responses to the same neurotransmitter. Therefore, a single neurotransmitter can produce different responses at different postsynaptic cells depending on the types of receptors present on the cell.

To learn more about neurotransmitters, click here:

https://brainly.com/question/9725469

#SPJ11

What 2 things does the North Star tell us about our location? 9th grade integrated science ​

Answers

it's a reliable way to find the direction of north. It would appear directly overhead if you stood at the north pole, but farther south, it indicated the direction of north.

Which of the following marrow elements provides the microenvironment for proliferation and differentiation of hematopoietic cells?A. White pulpB. Germinal centersC. Yellow marrowD. Red marrow

Answers

The marrow elements that provides the microenvironment for proliferation and differentiation of hematopoietic cells is Red marrow. The correct answer is D.

Red marrow is a soft, spongy tissue found primarily in the bone cavities of the axial skeleton and long bones. It is responsible for producing red blood cells, white blood cells, and platelets through a process called haematopoiesis.

Hematopoietic stem cells, which are responsible for producing all blood cell types, are found in the red marrow along with a variety of other cell types that contribute to the microenvironment necessary for haematopoiesis.

This includes stromal cells, which provide support and nourishment to the developing blood cells, as well as cytokines and other signaling molecules that regulate the process of proliferation and differentiation.

To know more about Red marrow, refer here:

https://brainly.com/question/819753#

#SPJ11

How do I do this????????

Answers

According to the phenotypes of the pink-hued individuals and their father, their mother's genotype could be XAXA and XAXa.

Reasonable choices are XAXA and XAXa since:As you an see from the pedigree, the female offspring are heterozygous. This indicates that just one of their two X chromosomes is impacted.The mother and father are always the source of one of a female's two X chromosomes, whereas the other is always from the other.Daughters will always inherit an afflicted X chromosome from their father because of the X-linked condition in which he is affected.Their second X chromosomes would be impacted as well, and they would exhibit phenotypical traits if the mother had the condition.

For more information on X linked disease kindly visit to

https://brainly.com/question/30930937

#SPJ1

which of the following can contribute to postoperative infections? group of answer choices using syringes more than once errors in aseptic technique normal microbiota on the operating room staff antibiotic resistance all of the answers are correct.

Answers

It is critical to take the required precautions in order to reduce the risk of postoperative infections. It is essential to maintain a sterile environment and to ensure that instruments are not reused after being used on one patient

All of the following can contribute to postoperative infections, including using syringes more than once, errors in aseptic technique, normal microbiota on the operating room staff, and antibiotic resistance. There is a potential for postoperative infections after surgery, which can occur due to a variety of factors. Some of these factors include the reuse of syringes, errors in aseptic technique, normal microbiota on the operating room staff, and antibiotic resistance.

Therefore, it is critical to take the required precautions in order to reduce the risk of postoperative infections. It is essential to maintain a sterile environment and to ensure that instruments are not reused after being used on one patient. Additionally, personnel in the operating room should take the necessary precautions to prevent the spread of infection, such as wearing gloves and surgical masks. In conclusion, postoperative infections can be caused by a variety of factors, and it is essential to take the required precautions to minimize the risk of infection.

To learn more about Infections :

https://brainly.com/question/15420976

#SPJ11

After duplication, at what point does a cell become two cells with identical DNA?

starting in prophase

end of anaphase

end of cytokinesis

Answers

it is at the end of cytokinesis that a cell becomes two cells with identical DNA. During cytokinesis, the cytoplasm and other cell contents are divided between the two daughter cells, and each daughter cell receives a complete set of chromosomes that are identical to the parent cell.

What is DNA?

DNA stands for deoxyribonucleic acid, which is a molecule that carries the genetic instructions used in the growth, development, functioning, and reproduction of all living organisms. DNA is a long, double-stranded helix structure made up of four building blocks called nucleotides, which are adenine (A), guanine (G), cytosine (C), and thymine (T).

The process of cell duplication or cell division involves several stages, including interphase, mitosis, and cytokinesis. During mitosis, the cell undergoes a series of sub-stages, including prophase, metaphase, anaphase, and telophase.

During prophase, the chromatin in the nucleus condenses into chromosomes, and the nuclear membrane breaks down. The chromosomes then attach to spindle fibers at the centromere region.

Learn more about DNA from the given link

https://brainly.com/question/16099437

#SPJ1

which enzyme in the photosynthetic z scheme catalyzes the pq cycle, which is analogous to complex iii and the q cycle in the mitochondrial electron transport chain?

Answers

The enzyme that catalyzes the PQ cycle in the photosynthetic Z scheme is known as the Cytochrome b₆f complex.

The PQ cycle is analogous to Complex III and the Q cycle in the mitochondrial electron transport chain. The Cytochrome b₆f complex is composed of two cytochromes, b6 and f, along with a few other cofactors.

Cytochrome b6 is a membrane-bound protein, while cytochrome f is a soluble protein. The b6f complex acts as an electron transporter, carrying electrons from plastoquinol to plastocyanin. The electrons that pass through the complex are utilized in the PQ cycle, which is responsible for the production of two molecules of ATP per electron.

So, the enzyme in the photosynthetic z scheme which is responsible for catalyzing the PQ cycle, and is analogous to complex iii and the Q cycle in the mitochondrial electron transport chain is the Cytochrome b₆f complex.

To know more about Cytochrome b₆f complex, refer here:

https://brainly.com/question/3301677#

#SPJ4

which of the following would not result in an increase in arterial blood pressure? group of answer choices increased blood volume increased sympathetic stimulation increased heart rate increased stroke volume increased arteriolar vasodilation

Answers

Increased arteriolar vasodilation would not result in an increase in arterial blood pressure. Vasodilation is the widening of the blood vessels, which decreases the resistance to blood flow and thus decreases arterial blood pressure. Therefore, option E, increased arteriolar vasodilation would not result in an increase in arterial blood pressure.

Increased blood volume, sympathetic stimulation, heart rate, and stroke volume all lead to an increase in arterial blood pressure by increasing cardiac output and/or resistance to blood flow.  To elaborate further, an increase in blood volume increases the pressure within the cardiovascular system, while increased sympathetic stimulation increases the contractility of the heart, leading to higher cardiac output. Increased heart rate and stroke volume also lead to higher cardiac output. Conversely, vasodilation causes the opposite effect - reducing the pressure within the cardiovascular system by decreasing the resistance to blood flow.
Increased arteriolar vasodilation would not result in an increase in arterial blood pressure. Arteriolar vasodilation refers to the relaxation or widening of the arterioles, which are the small blood vessels that connect arteries and capillaries. When the arterioles dilate, they allow more blood to flow through them, which results in a decrease in blood pressure. As a result, increased arteriolar vasodilation would not result in an increase in arterial blood pressure.

To learn more about Vasodilation :

https://brainly.com/question/30715745

#SPJ11

in addition to the important roles of natural variability and natural selection in the process of evolution, it is also important that

Answers

In addition to the important roles of natural variability and natural selection in the process of evolution, it is also important that genetic drift plays a role.

There are several factors involved in the process of evolution, and natural variability and natural selection are two of the most important. Natural variability refers to the fact that no two individuals within a species are exactly alike, and this variation can give some individuals a survival advantage over others. Natural selection then works to increase the frequency of advantageous traits within a population over time.

However, there is another factor that plays a role in the process of evolution, and that is genetic drift.

Genetic drift refers to the random changes in gene frequency that can occur within a population due to chance events. This can have significant effects on the genetic makeup of a population over time, and can even lead to the creation of new species.In addition to these factors, other important factors that can contribute to the process of evolution include gene flow, mutation, and non-random mating. All of these factors can influence the genetic makeup of a population over time, leading to the creation of new species or the extinction of existing ones.

Here you can learn more about Genetic drift

https://brainly.com/question/8365294#

#SPJ4

large attitudinal scales might result in what type of bias? large attitudinal scales might result in what type of bias? auspices fatigue extremity sampling halo

Answers

The correct option is E, Large attitudinal scales might result in Halo type of bias. The halo effect is a type of bias that can occur when large attitudinal scales are used.

This bias can occur when the respondent has a strong positive or negative attitude towards the subject matter, which can then influence their ratings on the scale.

The Halo effect is a cognitive bias that affects our perception of people, products, or brands. It occurs when we allow one positive attribute of someone or something to influence our overall impression and judgment of that entity. For example, if we perceive someone as physically attractive, we may also assume that they have other positive qualities, such as intelligence or kindness, even if we have no evidence to support those assumptions.

Similarly, if we like a certain brand or product, we may be more likely to overlook its flaws or negative aspects. The Halo effect can have both positive and negative consequences. On the one hand, it can lead us to form positive impressions of people or products based on a single positive attribute.

To learn more about Halo effect visit here:

brainly.com/question/14739328

#SPJ4

Complete Question: -

Large attitudinal scales might result in what type of bias?

a.Auspices

b.Fatigue

c.Extremity

d.Sampling

e.Halo

Two plants growing beside one another try to access limited available
sunlight.
What ecological interaction describes the relationship between the two
plants?
Choose 1 answers
B
Competition
Mutualism
Herbivory
Commensalism

Answers

Answer:

Competition

Explanation:

They both need sunlight but it is limited so competition rises

How does the apparent brightness of a star differ from the star’s intrinsic luminosity? In your answer, describe how stellar distances are determined by comparing apparent brightness and intrinsic luminosity when astronomers use spectroscopic parallax and the Leavitt relation for variable stars.

Answers

The apparent brightness of a star is how bright it appears to us from Earth, while the intrinsic luminosity of a star is the total amount of energy it emits per second.

What is a star?

A star is a massive, luminous object in space that generates energy through nuclear fusion reactions in its core. It is composed mainly of hydrogen and helium gas, with small amounts of other elements.

Astronomers use various methods to determine the distances to stars, including parallax measurements, spectroscopic parallax, and the Leavitt relation for variable stars.

Parallax measurements involve observing a star's position from two different points on Earth's orbit around the Sun, and measuring the apparent shift in the star's position relative to more distant stars. This allows astronomers to calculate the star's distance using trigonometry. However, this method is limited to relatively nearby stars.

Learn about the star here https://brainly.com/question/14376690

#SPJ1

which of the following organisms have at least some members that are autotrophic? group of answer choices bacteria plant animal protist all of the above

Answers

The following organisms have at least some members that are autotrophic is e. All of the above organisms

Autotrophs are organisms capable of producing their own food (energy) through photosynthesis and chemosynthesis. These organisms convert inorganic materials into organic ones with the help of energy in the form of either solar or chemical energy. Examples of autotrophic organisms are bacteria, plants, animals and protists

Bacteria use chemosynthesis to convert chemical energy from substances in their environment into organic material. Plants use photosynthesis to convert sunlight into energy. Animals can be autotrophic, as some species use chemosynthesis and photosynthesis for energy. Lastly, some protists use photosynthesis for energy. So the answer is that all of the above organisms have at least some members that are autotrophic.

Learn more about photosynthesis at:

https://brainly.com/question/29775046

#SPJ11

discuss three ways in which building and sustaining good relationship may impact positively on your emotional well-being during lockdown​

Answers

Answer:

Healthy relationships can: increase your sense of worth and belonging and help you feel less alone. give you confidence. support you to try out new things and learn more about yourself.

Explanation:

how closely related two dna molecules, and the organisms from which they came, are is measured through

Answers

Answer: The level of similarity between two DNA molecules and the organisms they come from can be measured through DNA sequencing.

What is DNA sequencing?

The process of determining the precise order of nucleotides within a DNA molecule is known as DNA sequencing. This procedure aids in the comprehension of genetic data, the diagnosis of disorders resulting from genetic mutations, and the development of effective therapies.

Sanger sequencing and next-generation sequencing (NGS) are the two most common forms of DNA sequencing. The former is also known as "first-generation sequencing," while the latter is known as "second-generation sequencing".

DNA sequencing is used in a variety of applications, including the following:

Sequencing the entire genome of an organism

Finding variations in DNA that may cause illness or affect response to medication

Identifying viruses and bacteria to diagnose infections

Forensic analysis to identify suspects in criminal cases

DNA sequencing may be used to detect genetic mutations that cause a variety of illnesses. This is often done in conjunction with genetic counselling.

DNA sequencing can detect even small genetic variations in the sequence, allowing for the identification of diseases that are caused by genetic mutations.

The primary purpose of DNA sequencing is to figure out the sequence of nucleotides in a DNA molecule. DNA sequencing enables scientists to find the differences and similarities in the DNA of two individuals or organisms, allowing them to learn about the organisms' evolutionary history and ancestry.


Learn more about DNA sequencing here:

https://brainly.com/question/30590319#


#SPJ11

lymph capillary permeability is due to minivalves and protein filaments. lymph capillary permeability is due to minivalves and protein filaments. true false

Answers

Lymph capillary permeability is due to mini valves and protein filaments, which are structures that control the passage of molecules across the wall of the capillary. So the statement is True.

The mini valves are pores of small diameter that can open and close to regulate the passage of molecules across the capillary wall, while protein filaments control the size of these pores. The size of these pores depends on the type and concentration of the molecules in the interstitial fluid. Therefore, the size of the pores can be adjusted, allowing the lymph capillary to control the movement of molecules across the capillary wall. This allows the lymphatic system to regulate the movement of substances in and out of the lymphatic capillaries and helps maintain homeostasis in the body.

Learn more about the lymphatic system: https://brainly.com/question/3318384

#SPJ11

what does this help explain about genetics. and the change occur in a species over time?

Answers

Evolution helps explain how genetic variation arises and how it is passed on from one generation to the next.

How do organisms evolve overtime?

As organisms reproduce, mutations and genetic recombination can introduce new genetic variations into a population. Over time, natural selection and other evolutionary forces can act on these variations, leading to changes in the frequency of certain traits within a population.

Evolution also helps to explain how species change over time. As populations accumulate genetic variations and adapt to different environmental conditions, they may become distinct from their ancestors and other related species. This process of speciation can ultimately result in the formation of new species.

Learn more on evolution here: https://brainly.com/question/4207376

#SPJ1

The complete question is:

Evolution is the process by which populations of organisms change over generations. What does this help explain about genetics. and the change occur in a species over time?

10. according to the passage, which of the following is not a correct statement about malaria? a. malaria may infect sporozoites. b. malaria may cause death. c. malaria is not spread through human-human contact. d. malaria infects both humans and mosquitoes. e. malaria is caused by a parasite.

Answers

The question asks which of the following is not a correct statement about malaria "malaria is not spread through human-human contact".  So the answer is option C.

Malaria is caused by a parasitic protozoan, Plasmodium, and is transmitted between humans by the bite of an infected Anopheles mosquito. While human-to-human contact can be a source of Plasmodium infection, it is not the primary means of transmission. Mosquitoes are the primary vector of transmission, and they infect humans by biting them and introducing the parasite into their bloodstream. The other statements are all correct: malaria may infect sporozoites, which are the forms of Plasmodium that are transmitted by mosquitoes; malaria may cause death; and malaria infects both humans and mosquitoes.

Learn more about malaria: https://brainly.com/question/17033567

#SPJ11

which term does not belong in this group? group of answer choices experiential nurture hereditary environmental

Answers

Answer:

hereditary

Explanation:

describe the function of the sarcoplasmic reticulum including any membrane protiens that are important in its function.

Answers

The sarcoplasmic reticulum functions in the regulation of intracellular calcium concentration.

The sarcoplasmic reticulum is an important component of muscle cells. It is a specialized type of endoplasmic reticulum that functions in the regulation of intracellular calcium concentration. The sarcoplasmic reticulum is a network of flattened sacs that encircle each myofibril. The sarcoplasmic reticulum plays a crucial role in regulating calcium ion concentration within the cytoplasm of muscle cells.

The sarcoplasmic reticulum contains a variety of membrane proteins that are involved in the uptake and release of calcium ions. For example, there are calcium ion channels within the sarcoplasmic reticulum membrane that allow calcium ions to be transported from the cytoplasm into the interior of the organelle. Additionally, there are calcium ion pumps that use energy to move calcium ions from the cytoplasm into the sarcoplasmic reticulum.

The sarcoplasmic reticulum also contains proteins that help to maintain the structural integrity of the organelle. For example, there are integral membrane proteins that help to anchor the sarcoplasmic reticulum to other structures within the muscle cell.

Overall, the sarcoplasmic reticulum plays an essential role in regulating intracellular calcium ion concentration and is important for muscle function. The membrane proteins within the sarcoplasmic reticulum are crucial for its function, allowing for the uptake and release of calcium ions and maintaining the integrity of the organelle.

To know more about Sarcoplasmic Reticulum, refer here:

https://brainly.com/question/5638281#

#SPJ11

the epicardium is . group of answer choices also known as the parietal pericardium a layer of cardiac muscle the visceral pericardium lining the heart chambers

Answers

The epicardium is also known as the visceral pericardium. It is a layer of the heart that covers the outer surface and protects the heart muscle.

The heart and the roots of the great arteries are contained within the pericardium, also known as the pericardial sac. It consists of two layers: a serous membrane-covered interior layer and a fibrous pericardium-covered outer layer. (serous pericardium). It outlines the middle mediastinum and encloses the pericardial cavity, which is filled with pericardial fluid. It keeps the heart free from interference from other organs, shields it from illness and trauma, and lubricates the beats of the heart.

A robust fibroelastic sac called the pericardium surrounds the heart on all sides, with the exception of the bottom and the cardiac root, where the great vessels connect the heart. (where only the serous pericardium exists to cover the upper surface of the central tendon of diaphragm). While the serous pericardium is quite flexible, the fibrous pericardium is somewhat stiff. The epicardium, a continuous serous membrane invaginated onto itself as two opposite surfaces, is a covering for the heart made of the same mesothelium that makes up the serous pericardium. (over the fibrous pericardium and over the heart).

As a result, a pouch-like potential area known as the pericardial space or pericardial cavity is created around the heart, sandwiched between the two opposing serosal surfaces.

For more such questions on visceral pericardium , Visit:

https://brainly.com/question/30723885

#SPJ11

explain in general how paracrine factors outside the cell can elicit changes in gene expression inside a cell. provide an example of a specific pathway and how it works

Answers

Paracrine factors outside the cell can cause changes in gene expression inside the cell by regulating transcription factors, which in turn regulate transcription of genes.

Transcription is the process of synthesizing RNA with the template of the genes contained in the DNA strand that occurs in the nucleus.

Here are examples of paracrine factors outside the cell that can cause changes in gene expression. An example of a specific pathway is the NF-κB signaling pathway. NF-κB is activated by paracrine factors that bind to a receptor and form a complex with an IκB protein, which is then phosphorylated by an IκB kinase, causing IκB to be released and allowing NF-κB to translocate to the nucleus and bind to the promoters of genes that regulate inflammation and cell growth.

Learn more gene expression at:

https://brainly.com/question/29791543

#SPJ11

when doing a test cross for a single trait with a heterozygote, what is the chance of producing offspring with a homozygous recessive phenotype?

Answers

The probability of producing offspring with a homozygous recessive phenotype when doing a test cross for a single trait with a heterozygote is 50%. A test cross is the cross between an individual of unknown genotype and an individual with a homozygous recessive genotype for a particular trait. A test cross is done to determine the genotype of the unknown individual.

In this case, we are doing a test cross for a single trait with a heterozygote. A heterozygous individual has two different alleles for a gene. When the heterozygote is crossed with a homozygous recessive, the probability of producing offspring with a homozygous recessive phenotype is 50%. This is because the heterozygous parent has a 50% chance of passing the recessive allele to its offspring.

In other words, if we represent the dominant allele as A and the recessive allele as a, the heterozygous parent's genotype would be Aa. The homozygous recessive parent's genotype would be aa. The Punnett square for this cross would look like this:A a a aa aa aa a a a aThe offspring will be Aa and aa. Half of the offspring will have a homozygous recessive phenotype.

Hence, the chance of producing offspring with a homozygous recessive phenotype when doing a test cross for a single trait with a heterozygote is 50%.

Here you can learn more about test cross

https://brainly.com/question/29102570#

#SPJ11  

another important feature of the third line is the ability of these cells to create memory cells. why are memory cells an important product of an immune response?

Answers

Memory cells are an important product of an immune response because they remember how to fight off specific pathogens if they infect the body again in the future.

What are memory cells?

Memory cells are long-lived cells that are formed by the immune system's response to a pathogen, and they are capable of rapidly dividing and producing a large number of effector cells, which can kill the pathogen, if the same pathogen infects the body again in the future.

What is the importance of memory cells in the immune system?

Memory cells are important in the immune system because they allow the body to remember how to fight off specific pathogens that it has encountered previously. They also make it possible for the body to mount a faster and more effective immune response the second time a pathogen is encountered, since the memory cells are already in place and ready to attack the pathogen.A secondary immune response occurs when the memory cells are activated, and this response is faster and more effective than the primary immune response that occurred when the body first encountered the pathogen. This is due to the presence of memory cells, which can rapidly produce effector cells that kill the pathogen.

Here you can learn more about Memory cells

https://brainly.com/question/29603786#

#SPJ11

what structures appear most distinct between the chimpanzee skeleton, the ancient hominid skeleton and the human skeleton? how do their skeletal structures correspond to the way they moved around?

Answers

Answer:

around their waist

which electron microscope technique below is used to image the surfaces of objects ranging in size from a virus to an animals head

Answers

The electron microscope technique used to image the surfaces of objects ranging in size from a virus to an animal's head is scanning electron microscopy (SEM).

Electron microscopy is a technique for imaging specimens utilizing a beam of electrons instead of visible light.

Electron microscopes can achieve much higher magnification and resolution than conventional optical microscopes because they utilize electrons instead of light.

The Scanning electron microscope (SEM) is one of the most commonly utilized types of an electron microscope. SEM is a method of imaging the surfaces of specimens utilizing an electron beam, and it is well-suited for examining a wide range of samples, from single cells ,viruses to an animal's head

It is used to study samples in a variety of scientific fields, including biology, chemistry, and physics, among others.

To learn more about the electron microscope technique :https://brainly.com/question/14149959

#SPJ11

Correct Translation/Transcription
DNA Strand: TAC CAT ACT
mRNA Strand: AUG GUA UGA
Identify the following as an insertion, deletion, or substitution
DNA TAC CAT ACT
mRNA AUG UUA GGA

Answers

The mRNA Strand provided (AUG GUA UGA) is not a correct transcription of the given DNA Strand (TAC CAT ACT) as it contains an insertion (U) and a substitution (G for C).

What is insertion, deletion, or substitution in Translation/Transcription?

Insertion, deletion, and substitution are types of genetic mutations that can occur during the process of DNA transcription and translation.

During transcription, the DNA molecule is used as a template to synthesize an mRNA molecule. If there is a mutation in the DNA sequence, it can result in a mutation in the mRNA sequence.

Insertion occurs when an extra nucleotide is inserted into the DNA sequence, causing a shift in the reading frame. This can result in an mRNA sequence with an extra codon, which may code for a different amino acid.

Deletion occurs when a nucleotide is deleted from the DNA sequence, causing a shift in the reading frame. This can result in an mRNA sequence with a missing codon, which may also code for a different amino acid.

Substitution occurs when one nucleotide is replaced by another in the DNA sequence. This can result in an mRNA sequence with a different codon, which may code for a different amino acid.

Learn more about Translation/Transcription at: https://brainly.com/question/11214205

#SPJ1

Other Questions
FILL IN THE BLANK. Springfield Co., based in the U.S., has a cost from orders of foreign material that exceeds its foreign revenue. All foreign transactions are denominated in the foreign currency of concern. This firm would _______ a stronger dollar and would _______ a weaker dollar. Find the equation of the line containing the point P(2, 3) and perpendicular to the graph of 3x + 9y = 2. A banjo D string is 0.69 m long and has a fundamental frequency of 294 Hz.Part ADetermine the speed of a wave or pulse on the string.Express your answer to two significant figures and include the appropriate units.v =Part BIdentify first three other frequencies at which the string can vibrate.Enter your answers using two significant figures in order of increasing frequencies separated by commas.f2, f3, f4 = which development in the 1950s made the ideal of the nuclear family attainable for a large fraction of the u.s. population? Seasonal fruits and vegetables are shipped from Chile and sold in the United States along with domestically grown produce.a. Trueb. False if you want to pay a set fee to receive unlimited or reduced-fee legal assistance, you should use a: the gallup poll surveyed a representative sample of american adults and offered a list of seven personal economic problems that many people face. what are the top financial concerns that people have? which statement concerning discrimination on the basis of race or ethnic identity in the united states is true? 1. Use the bond enthalpies to calculate the enthalpy change for this reaction. Is this reaction endothermic or exothermic? Change in enthalpy =Is this reaction exothermic or endothermic? Which system eventually developed into schools in Europe?A:coloniesB:feudalismC:mercantilismD:monasteries SOLVE THIS BUT I DON'T WANT ANSWER I WANT SOLVING AND ANSWER 50PTS WILL MARK AS BRAINLIEST 50/1.428 what is the expected percent return and standard deviation for a person who constructs a portfolio by investing $420 in stock 1 and $180 in stock 2? (round your answer for standard deviation to two decimal places.) the ability to predict the consequence of an action is located in the group of answer choices gustatory cortex. olfactory receptors. left cerebral hemisphere. prefrontal cortex. right cerebral hemisphere. question questionquestionquestionquestionquestionquestionquestionquestionquestion a number is five times a smaller number. find the larger number of their difference is 52 what are the x- and y- coordinates of point P on the directed line segment from A to B such that P is 2/3 the length of the line segment from A to B? x= [m/m+n](x2 -x1) +x1 y = [m/m+n](y2 - y1) +y1 Under the RUPA, a dissociation takes place whenever a partner is no longer associated with the running of the firm. TRUE/FALSE 17 Predict A store owner has a problem with birds building nests on top of the storesoutdoor sign. To scare the birds away, she places rubber snakes on top of the sign.Predict how the birds will react to the rubber snakes. Use the terms habituated,learn, negative effects, positive effects, and stimulus in your answer. Read the following Poem:The Road Not TakenBY ROBERT FROSTTwo roads diverged in a yellow wood,And sorry I could not travel bothAnd be one traveler, long I stoodAnd looked down one as far as I couldTo where it bent in the undergrowth;Then took the other, as just as fair,And having perhaps the better claim,Because it was grassy and wanted wear;Though as for that the passing thereHad worn them really about the same,And both that morning equally layIn leaves no step had trodden black.Oh, I kept the first for another day!Yet knowing how way leads on to way,I doubted if I should ever come back.I shall be telling this with a sighSomewhere ages and ages hence:Two roads diverged in a wood, and II took the one less traveled by,And that has made all the difference.Respond to the following prompt:Be sure to use proper grammar, sentence structure, capitals and punctuation. Be sure to answer all questions. In your opinion, do you think McCandless would have appreciated this poem? Why or why not? Provide at least two text examples from the poem and what you know about McCandless to answer this question. Additionally, does this poem connect with you? Why or why not? .. Sasha Abbott earns $62,550.00 in taxable income each year. The tax rate is 3.6%, and she takes zero deductions. How much tax does her employer withhold each year? A $2,380.50 B $2,251.80 C $2,500.40 D $1,823.20