Biology High School

Select the four statements about plasmodium that are true. view available hint(s) select the four statements about plasmodium that are true. plasmodium cells infect two specific types of cells in humans. the life cycle of plasmodium involves only haploid forms. plasmodium cells are transferred to humans through mosquito saliva. inside an infected mosquito, haploid gametes fuse, forming a haploid zygote that develops into an oocyst. when a mosquito bites a human with malaria, diploid plasmodium cells enter the mosquito. inside an infected mosquito, haploid gametes fuse, forming a diploid zygote that develops into an oocyst. the complete life cycle of plasmodium requires two hosts. submit

Answers

Answer 1

The four statements that are true are:

Plasmodium cells infect two specific types of cells in humans.Plasmodium cells are transferred to humans through mosquito saliva.Inside an infected mosquito, haploid gametes fuse, forming a diploid zygote that develops into an oocyst.The complete life cycle of Plasmodium requires two hosts.

Humans and mosquitoes host Plasmodium. The female Anopheles mosquito injects sporozoites into humans during blood meals. Sporozoites infect liver cells and become schizonts, which burst and release merozoites.

Parasites infect red blood cells after liver replication. Infected mosquitoes fuse haploid gametes into a diploid zygote that becomes an oocyst. The mosquito's salivary glands get sporozoites from the oocyst rupture. Diploid Plasmodium cells penetrate mosquitoes after malaria bites. Plasmodium cells infect human liver and red blood cells.

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Answer 2

Final answer:

Four statements about Plasmodium that are true include its infection of two types of human cells, cell transfer through mosquito saliva, the formation of a diploid zygote in mosquitoes, and its requirement for two hosts to complete its life cycle.

Explanation:

The four true statements about Plasmodium, the parasite that causes malaria, are:

Plasmodium cells infect two specific types of cells in humans - the liver cells during the exoerythrocytic stage and the red blood cells during the erythrocytic stage.Plasmodium cells are transferred to humans through mosquito saliva - when an infected Anopheles mosquito bites a human, it injects sporozoites from its salivary glands into the bloodstream.Inside an infected mosquito, haploid gametes fuse, forming a diploid zygote that develops into an oocyst - this occurs in the mosquito midgut after it ingests gametocytes from an infected human.The complete life cycle of Plasmodium requires two hosts: a vertebrate host (humans) where the parasite develops in liver and red blood cells, and a mosquito vector where sexual reproduction occurs forming sporozoites that are passed on to the next vertebrate host.

The statement that the life cycle of Plasmodium involves only haploid forms is incorrect because the zygote formed when gametes fuse is diploid. Additionally, the statement that inside an infected mosquito, haploid gametes fuse, forming a haploid zygote that develops into an oocyst is also incorrect as the zygote is diploid. Lastly, the statement when a mosquito bites a human with malaria, diploid Plasmodium cells enter the mosquito is incorrect because it is the haploid gametocytes that are ingested by the mosquito, not diploid cells.

Related Questions

Choose the properties that are characteristic of true solutions. Select as many as apply.

Answers

Is there any choices?
The answers are light beam passes through invisibly and particles are dissolved. youre welcome lol

explain three ways how humans cause loss to biodiversity

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The major causes of biodiversity decline are land use changes, pollution, changes in atmospheric CO2 concentrations, changes in the nitrogen cycle and acid rain, climate alterations, and the introduction of exotic species, all coincident to human population growth. For rainforests, the primary factor is land conversion. Climate will probably change least in tropical regions, and nitrogen problems are not as important because growth in rainforests is usually limited more by low phosphorus levels than by nitrogen insufficiency. The introduction of exotic species is also less of a problem than in temperate areas because there is so much diversity in tropical forests that newcomers have difficulty becoming established (Sala, et al., 2000).

Which portion of the heart wall is responsible for the pumping action?

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The heart is composed of three layers: (1) pericardium, (2) myocardium, and (3) endocardium.

The correct answer for this question is the myocardium. The myocardium is composed of cardiac muscle tissue that responds to the pacemaker activity of the heart (originates from the sinuatrial node) and performs rhythmic contractions that corresponds to a person's heartbeat. 

The pericardium forms the pericardial sac wherein the pericardial fluid is located. The endocardium lines the atria and ventricles as well as contributes to the formation of the heart valves.

Our bodies do not make starch, but we often eat plant foods which contain starch which we digest into _____________, the building block that is used to make starch.

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The correct answer is glucose. 

Glucose is the major carbohydrate that can be absorbed and used by humans for energy. In animals, glucose is stored as glycogen in the liver and the muscle tissue in contrast to plants wherein they store glucose as amylose and amylopectin (also known as starch). In digestion of starch, it will start with the saliva where the enzyme salivary amylase will break it down to smaller molecules of starch and limit dextrins. These will be further broken down in the intestines using the pancreatic amylase forming di and trisaccharides. These di and trisaccharides will be metabolized by brush border enzyme to eventually produce glucose (and other monosaccharides that can be absorbed such as fructose and galactose).

In order to protect your password, you should never ________.

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In order to protect your password you should never (Write it down.)

In order to protect your password, you should never share yours. Giving away your password gives people more advantage to hack into your business. Every so often, change your password. It will keep you and your items safe from nosey people.

Jose and Sarah are running in the cross country meet. Their skeletal and muscular systems work to move them through the course. As they run, they breathe faster and harder and their heart rate increases.

This illustrates that body systems

A)work together.
B)work independently.
C)all have the same function.EliminateD)have no connection to one another.

Answers

A) they work together.
On USAtestprep The answer is A) working together 

PLEASE HELP!!!!!
Which of the following statements is true about the taiga biome, but not the alpine?
a. Temperatures are below freezing during the winter.
b. Precipitation can average 12 inches annually.
c. It has two distinct seasons.
d. It is characterized by coniferous trees.

Answers

Final answer:

The taiga biome, also known as the boreal forest, is characterized by coniferous trees, which is not true for the alpine biome.

Explanation:

The taiga biome, also known as the boreal forest, is characterized by cold and dry winters and short, cool, wet summers. It is dominated by coniferous trees such as pines, spruces, and firs, which retain their needle-shaped leaves throughout the year.

In contrast, the alpine biome is characterized by high altitudes and harsh conditions. It is not typically dominated by coniferous trees like the taiga, but rather by hardy, low-lying plants. Therefore, the statement 'It is characterized by coniferous trees' is true about the taiga biome, but not the alpine.

When one opens a door, which part of the brain is responsible for sending signals to the arm muscles, causing one to open the door?

Answers

Answer M1 motor cortex

_____ occur early in the sleep cycle during non-rem sleep and are characterized by a state of panic.
a. narcoleptic fits
b. nightmares
c. apnea episodes

Answers

There is one choice missing from this question:

a. narcoleptic fits
b. nightmares
c. apnea episodes
d. night terrors*

The correct answer is "night terrors". Night terrors are intense feelings at the first half of non-REM sleep that is characterized by fear, horror, trembling, shaking. Night terrors are different from nightmares as there are physical effects carried out from night terrors upon waking up such as screaming, crying, and sudden movements.

Fertilizer use and crop rotation with legumes both increase the availability of which of the following nutrients in soil

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The answer to this question would be Nitrogen

A plants biomass mainly comes mainly from nutrients in the soil that are taken up by the plants roots

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This statement is true

Answer: False

The mass of the plant is based on compounds made from carbon. Carbon is not absorbed from the roots, it is absorbed through the leaves in form of carbon dioxide. The process involved in the primary stage is photosynthesis. Roots absorb water and minerals or ions. These are used in reaction of the plant cells. Rest the biomass is made from glucose, which is converted into other compounds by series of reactions taking place in plant cell.

Why do you think it is necessary to use very small and exact volumes of reagents in biotechnology? (someone please help me)

Answers

It is for the purpose of ensuring that the procedures are successful. Biotechnology is the use of biological processes, cells or cellular components and organisms to develop or make products, or "any technological application that uses biological systems, living organisms, or derivatives to make or modify products or processes for specific use. 

Question 20 1. the energy to move chromosomes during mitosis is provided by
a. centrioles.
b. dna polymerization.
c. migration of the centrosomes.
d. atp.
e. formation of the cell plate.

Answers

that would be d.ATP :)

What occurs if a t cell binds to an antigen and the t cell does not receive a co-stimulatory signal?

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The correct answer is that "the T cell enters a state of anergy".

The activation of T cells requires two signals: (1) antigen specific signal presented by an antigen presenting cell (either a macrophage or a dendritic cell) that activates t cell receptors and (2) co-stimulatory signals that is not antigen specific but rather found in the plasma membrane of the antigen presenting cell (i.e. CD28). In the absence of a co-stimulatory signal, the t cell will enter a state of anergy or the inability to produce an immune response toward an offending antigen.

Opiate drugs bind onto the same receptor sites as the body's own endorphins. therefore, opiate drugs tend to

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I believe that opiates tend to relieve pain. Opiates are drugs used to treat pain derived from the opium plant. They are highly addictive, so they pose the threat of opiate addiction (including opioid addiction) to any person who takes the drug for a prolonged period of time. They also include illegal drugs such as heroin, synthetic opioids such as fentanyl, and pain relievers available legally by prescription, morphine and codeine among others

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. Release your mouse button when the item is place. If you change your mind, drag the item to the trashcan. Click the trashcan to clear all your answers.
Complete the following diagram by placing the graphics on their appropriate spots.

Answers

Answer:

Correct answer in attached file.

Explanation:

This would be the correct answer because, in order for a daughter to have two x chromosomes with the recessive b trait, she would need to obtain one b from each parent. So, each parent (the circle and the square in the diagram) would have to have the trait.

Streptococci can give you strep throat. They are unicellular, prokaryotes that contain a cell wall. They are so small that a powerful microscope must be used to see them. In which kingdom would you place them? Protista Fungi Eubacteria

Answers

the answer is Eubacteria

Answer:

C

Eubacteria

Explanation:

got it right in edg (see pic)

hope this helps :)

Which term best describes an organism that has the genotype ff?'?

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The term given is in small letter.
Infact, both are in small letters...
So the organism received the recessive traits...
So, ff can be described as ‘RECESSIVE’
Final answer:

An organism with the genotype 'ff' is homozygous recessive, expressing the recessive phenotype associated with that gene, such as constricted pod form in pea plants, if 'f' stands for a recessive trait.

Explanation:

An organism that has the genotype ff is best described as homozygous recessive. This means that both alleles for a given trait are the same and are the recessive form. In the context of Mendelian genetics, if 'f' represents a recessive allele for a particular gene, an individual with the genotype 'ff' would express the recessive phenotype if no other gene interactions alter this expression. This is in contrast to heterozygous (Ff) or homozygous dominant (FF) individuals, where the recessive trait would not be phenotypically expressed if 'F' is a dominant allele.

For example, if 'F' represents a dominant allele for full pod form and 'f' represents a recessive allele for constricted pod form in pea plants, then an organism with genotype 'ff' would exhibit the constricted pod form. As observed in Mendel's hybridization experiments, these genetic principles explain why certain traits appear in specific patterns across generations.

Name the four types of tissues in the human body and and give an example of each

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Muscle (example- Contraction), Epithelial (example- Simple Epithelium), Connective (example- Loose Connective Tissue), and Nervous (example- spinal cord).

The four types of tissues in the human body are

epithelial tissue= skin on the outermost layer of the body

connective tissue= tendons

muscular tissue= bicep muscle

nervous tissue=brain

Epithelial tissue: This tissue lines bodily cavities, creates glands, and covers the surfaces of organs. Examples include the skin on the outside of the body, the lining of the intestines, and the stomach glands.

Connective tissue: This tissue connects and supports other body tissues. Examples include bones, adipose tissue (fat), tendons, and ligaments. Muscular tissue: This tissue is in charge of contraction and movement. Examples include cardiac muscle (located in the heart), smooth muscle (found in the walls of organs and blood vessels), and skeletal muscle (connected to bones and responsible for voluntary movements).

The nervous system, which is made up of the brain, spinal cord, and peripheral nerves, contains specialised tissue known as nervous tissue. It is in charge of processing and sending information inside the body.

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Systemic venous blood that is to be oxygenated in the lungs is delivered by the ____________, and the ____________ provide oxygenated systemic blood to lung tissue.

Answers

I believe the answer is pulmonary vein/ Bronchial artery. Pulmonary vein is the vein that carries deoygenated blood form the heart to the lungs for it to be oxygenated where carbon dioxide is exchanged with oxygen. Carbon dioxide is the exhaled from the lungs to the atmosphere. The bronchial arteries (both left and right) arise directly from the thoracic aorta and supplies oxygenated blood to the lung tissue.

Which of these is an example of food engineering apex?

Answers

the answer for apex would be, The development of irrigation


Food engineering is exemplified by the optimization of freezing processes for packaged foods, the creation of modified foods with enhanced nutritional values using biotechnology, and the development of specialized food products like MREs and astronaut meals.

An example of food engineering can be seen in the design and optimization of freezing processes for food products. Engineers need to consider the best type of freezing equipment and operational parameters to ensure that food is frozen quickly and efficiently, preserving its quality and safety. A critical part of this process is to account for the packaging material, which can resist heat transfer and increase freezing time.

Additionally, the creation of modified foods, such as calcium-fortified orange juice or breads enriched with B vitamins, also represents food engineering. These foods have been enhanced using biotechnology to improve nutritional value and health attributes. Another aspect of food engineering is the development of food products aimed at specific needs, such as MREs (Meals Ready-to-Eat) for military personnel or specialized foods for astronauts, which are safe to store, easy to prepare in low-gravity environments, and nutritionally balanced.

Describe how draping is completed for a procedure that enters the ocular orbit

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For a procedure that enters the ocular orbit, draping is completed by covering the head with a double-thickness half sheet and two towels or appropriate disposable head drapes. Then placed an eye sheet to the operative site using a fenestrated eye sheet that measures 14 inches square, with a center opening of 2 1/2 x 3 inches or by using adhesive backed aperture drape that extends over the body.

 

 

describe how testosterone production is associated with puberty in males.

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At the onset of puberty, the hypothalamus begins secreting high pulses of GnRH, or gonadotropin-releasing hormone. ... Testosterone, the hormone responsible for the secondary sexual characteristics that develop in the male during adolescence, stimulates spermatogenesis, or the process of sperm production in the testes

Testosterone, the hormone responsible for the secondary sexual characteristics that develop in the male during adolescence, stimulates spermatogenesis, or the process of sperm production in the testes.

What is testosterone?

Testosterone is the primary sex hormone and anabolic steroid in males. In humans, testosterone plays a key role in the development of male reproductive tissues such as testes and prostate, as well as promoting secondary sexual characteristics such as increased muscle and bone mass, and the growth of body hair.

Moreover, testosterone is the male sex hormone that is made in the testicles. Testosterone hormone levels are important to normal male sexual development and functions. During puberty (in the teen years), testosterone helps boys develop male features like body and facial hair, deeper voice, and muscle strength.

Therefore, testosterone is a sex hormone that plays important roles in the body. In men, it's thought to regulate bone mass, fat distribution, muscle mass and strength, and the production of red blood cells and sperm.

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The nurse is preparing to reinforce instructions to a pregnant client about nutrition. the nurse plans to include which instruction in this client's teaching plan?

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The nurse should plan to include this instruction in the client's teaching plan: THE NUTRITIONAL STATUS OF THE MOTHER SIGNIFICANTLY INFLUENCES FETAL GROWTH AND DEVELOPMENT.
As part of the teaching plan for the pregnant woman, the nurse should include instructions about nutrition and make the client to be aware that the food she eat will affect how the baby in her womb grows and develops. 
Final answer:

In her instructions about nutrition, a nurse should highlight the significance of a balanced diet, the importance of prenatal care, and the risk factors of obesity during pregnancy. It could also be beneficial to introduce the client to health education and nutrition programs.

Explanation:

When educating a pregnant client about nutrition, the nurse should emphasize the importance of a balanced diet that provides the necessary nutrients for both mother and fetus. This balanced diet should include a variety of foods to ensure all essential nutrients are met, as it will help maintain proper bodily functions, good health, and reproductive capability.

Prenatal care also plays an essential role in a successful pregnancy, as it helps monitor the health of both mother and fetus. This includes consultations on pregnancy planning and potentially on taking vitamins such as folic acid, which can help prevent certain birth defects.

Emphasis should be placed on the harmful implications of obesity during pregnancy, which can increase the risk of complications such as type-2 diabetes and cardiovascular disease. Additionally, it is beneficial to expose the client to health education programs like the Supplemental Nutrition Assistance Program (SNAP), which has shown success in improving at-home diets of participants, leading to healthier children.

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Which stage of photosynthesis requires water to complete the chemical reaction?

Answers

The reaction is the conversion of NADP+ TO NADPH'. Photosynthesis happens in an organelle of plant cell known as chloroplasts. This contain the pigment chlorophyll needed for the reactions for photosynthesis. Water is needed in LIGHT REACTION. The reactants needed in this reaction are water, carbon dioxide. The products that are usually produced are glucose and oxygen.  Light reaction is the initial step in photosynthesis. The energy from sunglight is absorbed by chlorophyll. The energy is then converted to two molecules ATP and NADPH which are both needed in the second reaction of photosynthesis, the electron transport chain.
Final answer:

The stage of photosynthesis that requires water is the light-dependent reactions.

Explanation:

The stage of photosynthesis that requires water to complete the chemical reaction is the light-dependent reactions. In these reactions, energy from sunlight is absorbed by pigment molecules in photosynthetic membranes, and water is oxidized to produce oxygen. This process takes place in the thylakoid membrane and involves the production of ATP and NADPH, which are energy carriers that are necessary for the light-independent reactions.

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Under what conditions might a person with rh- blood develop rh agglutinins

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A person who has rh- blood can develop rh agglutins through;

1. Pregnancy.
2. Transfusion.
3. Exposure to blood.

Agglutination is termed as clumping of particles. It is the process which occurs when an antigen is mixed with its corresponding antibody known as isoagglutinin.
When people are being given blood transfusion of wrong blood group then the antibodies will react incorrectly with the transfused blood group, then the erythrocytes clump up and stick together which causes them to agglutinate.
Final answer:

A person with Rh- blood may develop anti-Rh agglutinins if exposed to Rh+ blood through transfusion or pregnancy with an Rh+ baby. Sensitization and a subsequent exposure can cause hemolytic disease of the newborn, but this condition is preventable with RhoGAM injections.

Explanation:

A person with Rh-negative (Rh-) blood may develop anti-Rh agglutinins, or antibodies, under certain conditions. This process is known as sensitization. It occurs when a person with Rh- blood is exposed to Rh-positive (Rh+) blood, which can happen through a blood transfusion with Rh-incompatible blood or during pregnancy when an Rh- woman gives birth to an Rh+ baby. The first exposure to Rh+ blood cells typically does not cause a reaction; however, the immune system starts to generate anti-Rh antibodies. Upon a second exposure to Rh+ blood, such as during a subsequent pregnancy with an Rh+ fetus, these antibodies can cross the placenta, resulting in agglutination and hemolysis of the fetal red blood cells, a condition known as hemolytic disease of the newborn (HDN) or erythroblastosis fetalis. This can be severe and life-threatening to the fetus but can be prevented with the injection of RhoGAM during and after the first pregnancy.

how does hyponatremia disrupt homeostasis in the body

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Hyponatremia is a condition that occurs when the concentration of sodium in the blood is too low. Sodium is critical in homeostasis because it maintains the fluid balance. In other words, it helps control the amount of water that circulates in the body. When sodium levels are low it becomes diluted and as a result, the body will have an excess of water, specifically extracellular fluid.

The excess fluid will have nowhere to go, so it goes into the cell. When this happens, it causes the cells to swell, which can lead to several health problems and some of them are life-threatening like cerebral edema. 

Answer:

Explanation:

For normal homeostasis , the regulation of extracellular fluid (usually taken care of by the endocrine system)within the body must be appropriate. In patients where the sodium balances are disturbed face the issue of electrolyte deficiency commonly known as Hyponatremia. Hyponatremia adversely affects the osmoregulation and lead to aggression as the pressure due to hypoosmolality (due to  Hyponatremia) gets undulated. The internal stability within the body gets disturbed due to the imbalance in the physio-chemical processes and thus arises a condition where hyponatremia disrupt homeostasis

A 60-year-old man is unable to walk more than 100 yards without experiencing severe chest pain in his left leg; the pain is relieved by resting for 5-10. he is told that the arteries of his leg are becoming occluded with fatty material and is advised to have the sympathetic nerves serving that body region severed. explain how such surgery might help to relieve this man's problem

Answers

This is a case of peripheral artery disease which is described as the occlusion of the arteries of the extremities due to atherosclerosis causing ischemia and pain of the affected extremity. The pathophysiology works similarly in angina wherein there is occlusion of the coronary arteries. The resection of the sympathetic nerves (sympathectomy) innervating the affected leg will decrease the tone of the arteries leading it to vasodilate and increase the vessel diameter thus relieving the occlusion and eventually the ischemia.
Final answer:

The man is experiencing peripheral artery disease due to atherosclerosis. The suggested surgery, severing the sympathetic nerves, may allow more blood flow in the arteries reducing the pain. Alongside lifestyle changes, surgical treatments like angioplasty, endarterectomy, or coronary bypass might be employed based on the severity of the occlusion.

Explanation:

The 60-year-old man you described is likely experiencing a condition called peripheral artery disease, linked to atherosclerosis, where the arteries become blocked by fatty plaque deposits. This causes pain during movement, as the muscles cannot get sufficient blood flow. The suggested surgery involves severing the sympathetic nerves in that region, which could provide relief because these nerves control the contraction and relaxation of the arteries. If relaxed, the arteries may allow more blood flow, reducing pain after walking.

Treatment typically involves lifestyle changes, including weight loss, smoking cessation, regular exercise, and a diet low in sodium and saturated fats. Medications to reduce cholesterol and blood pressure may also be prescribed. If the arteries' occlusion is severe, a surgical solution like angioplasty could be employed, where a catheter is inserted into the vessel at the point of narrowing and inflated to widen the opening. A small mesh tube called a stent may be inserted to keep the vessel patent. In an endarterectomy, plaque is surgically removed from the arteries. Alternatively, in a coronary bypass procedure, a non-vital superficial vessel from elsewhere in the body, or a synthetic vessel, is used to create a bypass around the occluded artery.

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Which statement best describes the composition and function of proteins in organisms?

Answers

long chains of amino acids used for building, repair, and maintenance.

Answer:

The answer is Proteins are molecules formed by amino acids and fulfill an essential function for life since they are highly necessary for the growth of the organism.

Explanation:

Proteins are molecules formed by amino acids that are linked by a type of bonds known as peptide bonds. All proteins are composed of Carbon, Hydrogen, Oxygen, Nitrogen and most of them also contain Sulfur and Phosphorus.

Proteins fulfill an essential function for life since they are highly necessary for the growth of the organism, in addition to allowing cells to maintain their integrity, defend against external agents, repair damage, control and regulate functions, among others.

Oligodendrocytes and schwann cells generate a fatty substance known as

Answers

They generate a fattu subtance known as myelin.
Final answer:

Oligodendrocytes in the CNS and Schwann cells in the PNS generate a fatty substance called myelin. The myelin sheath acts as insulation for neurons, facilitating the transmission of electrical signals along axon segments.

Explanation:

The fatty substance generated by oligodendrocytes in the Central Nervous System (CNS) and Schwann cells in the Peripheral Nervous System (PNS) is known as the myelin sheath. Myelin is a lipid-rich layer that surrounds an axon, acting as insulation. This helps to facilitate the transmission of electrical signals along the axon. Oligodendrocytes can reach out to multiple axon segments, whereas a Schwann cell wraps around a segment of only one axon.

Think of the myelin sheath similar to the pastry wrapped around a hot dog for 'pigs in a blanket' or similar food. The cell is wrapped around the axon several times with little to no cytoplasm between the cell layers. For oligodendrocytes, the rest of the cell is separate from the myelin sheath as a cell process extends back toward the cell body, providing insulation for other axon segments in the area. For Schwann cells, the outermost layer of the cell membrane contains cytoplasm and the nucleus of the cell.

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