Where there is a lack of prostatic fluid, all of the following chemicals are decreased in the semen except
A. Alpha-glucosidase
B. Zinc
C. Citrate
D. Acid phosphatase
Answers
Where there is a lack of prostatic fluid, all of the following chemicals are decreased in the semen except D, acid phosphatase.
This is due to the fact that prostatic fluid accounts for around 30% of semen volume and has an acid pH of 6.5 to 7. This is because acid phosphatase is generated by both the prostate gland and the epididymis and is secreted by the prostate gland in semen.Acids phosphatase has its optimum activity at pH 5.5, so it is a marker for prostate gland function.
It is essential in the diagnosis and evaluation of prostate cancer, as well as determining the stage and management of the illness. It is also utilized to distinguish between seminal and non-seminal stains in forensic medicine. In summary, the answer to the question is D, acid phosphatase, is not chemicals that decreased in the semen where there is a lack of prostatic fluid.
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Related Questions
The pregnant elephant. Elephants have a gestation period of 21 months. Suppose that a freshly impregnated elephant is placed on a spaceship and sent toward a distant space jungle at v=0.75c. 1. [5\%] How long has elapsed on Earth at the time of the birth of the newborn calf on the spaceship? 2. [5\%] If we monitor radio transmissions from the spaceship, how long after launch might we expect to hear the first squealing trumpet from the newborn calf?
Answers
The time taken for the radio waves to travel from the spaceship to Earth is calculated to obtain t= (8 × 10 × 9.46 × 10¹² m)/ (3 × 3 × 10⁸ m/s) = 67.5 years.
According to special relativity, time dilation occurs when an object moves at a speed close to the speed of light. According to the twin paradox, the time spent on a spaceship traveling at high speed appears shorter than the time spent on Earth. As a result, the pregnancy period of the elephant on the spaceship will appear shorter to observers on Earth. The length of the gestation period of elephants is 21 months.
Suppose that a freshly impregnated elephant is placed on a spaceship and sent toward a distant space jungle at
v = 0.75 c. 1. [5%]
How long has elapsed on Earth at the time of the birth of the newborn calf on the spaceship? Let's first calculate the Lorentz factor:
γ = 1 /√(1−v²/c²) = 1/√(1−0.75²) = 2.0
Using the Lorentz factor, we can calculate the time dilation factor:
td=1/γ=0.5
The elapsed time on Earth at the time of the birth of the calf on the spaceship is therefore 0.5 × 21 months = 10.5 months.
The time taken for the radio waves to travel from the spaceship to Earth is given by:
d= vt =0.75c × t
where t is the time taken for the radio waves to travel from the spaceship to Earth. We can rearrange this equation to obtain:
t=d/v=(2 × d)/(2 × 0.75c) = 8d/3c
If we assume that the spaceship is located 10 light-years from Earth, the time taken for the radio waves to travel from the spaceship to Earth is:
t= (8 × 10 × 9.46 × 10¹² m)/ (3 × 3 × 10⁸ m/s)= 67.5 years
After 67.5 years of the spaceship's launch, we might expect to hear the first squealing trumpet from the newborn calf if we monitor radio transmissions from the spaceship.
Elephants have a gestation period of 21 months. Suppose that a freshly impregnated elephant is placed on a spaceship and sent toward a distant space jungle at v=0.75
The elapsed time on Earth at the time of the birth of the calf on the spaceship is calculated by using the Lorentz factor and the time dilation factor.
The Lorentz factor is calculated using the equation
γ=1/√(1−v²/c²),
where v is the speed of the spaceship and c is the speed of light. The time dilation factor is calculated by using the equation td=1/γ.
The elapsed time on Earth is then calculated by multiplying the gestation period of 21 months by the time dilation factor. The elapsed time on Earth is 10.5 months.
The time taken for the radio waves to travel from the spaceship to Earth is calculated using the equation t=d/v,
where d is the distance between the spaceship and Earth and v is the speed of the radio waves.
We can rearrange this equation to obtain
t= (8 × 10 × 9.46 × 10¹² m)/ (3 × 3 × 10⁸ m/s) = 67.5 years.
If we assume that the spaceship is located 10 light-years from Earth, we might expect to hear the first squealing trumpet from the newborn calf after 67.5 years of the spaceship's launch.
Time dilation occurs when an object moves at a speed close to the speed of light. The elapsed time on Earth appears shorter than the time spent on a spaceship traveling at high speed. The time taken for the radio waves to travel from the spaceship to Earth is calculated using the equation t=d/v, where d is the distance between the spaceship and Earth and v is the speed of the radio waves. The Lorentz factor is calculated using the equation γ=1/√(1−v²/c²), where v is the speed of the spaceship and c is the speed of light.
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need this question answered ASAP , i will give you brainliest
Answers
Farmers often have problems with soil erosion when they clear their fields after the growing session. So I’m sorry all types are more prone to version than others. Based on the data you gathered in this experiment, which serial types do you think are the most easily eroded, soils with a higher sand content or soils with high clay contents
Answers
Serial types both sand and clay soils are the most easily eroded, soils with a higher sand content or soils with high clay contents
Sand soils are generally characterized by larger particle size and lower cohesion, which can make them more prone to erosion by wind or water. On the other hand, clay soils are characterized by smaller particle size and higher cohesion, which can make them less prone to erosion by water but more prone to erosion by wind when they are dry and exposed.
The experiment data would need to include specific measurements of erosion rates, sediment loss, runoff, and other relevant parameters for both sand and clay soils under comparable conditions to make a meaningful comparison. Additionally, the experiment would need to consider other factors such as slope gradient, vegetation cover, and rainfall intensity, as these can also significantly affect soil erosion.
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How are a straightedge and compass used to make basic constructions?
Answers
Answer: they are used to measure and keep things precise during constuction
Explanation: because if you watch videos and look up info and research it tells you about their jobs and what they use for their jobs
Select all of the following that can result from nondisjunction of the X chromosome.
a. Polyploidy
b. an XYY male
c. an XXX female
d. Klinefelter syndrome
e. Turner syndrome
f. Down syndrome.
Answers
The correct option is (e) i.e. Turner syndrome can result from nondisjunction of the X chromosome.
Nondisjunction is the inability of sister chromatids or homologous chromosomes to correctly split during cell division (mitosis/meiosis). Nondisjunction can take one of three different forms: failing to separate a homologous pair of chromosomes during meiosis I; failing to separate sister chromatids during meiosis II; or failing to separate sister chromatids during mitosis. Daughter cells with aberrant chromosomal numbers occur from nondisjunction (aneuploidy). Before somatic cells divide by mitosis, the genetic material is replicated in the S phase. Each chromosome is made up of two sister chromatids that are joined at the centromere. Before the cell divides, sibling chromatids separate and move to opposing cell poles during the anaphase of mitosis. One daughter receives both sister chromatids of the impacted chromosome whereas the other receives none due to nondisjunction during mitosis. A chromatin bridge or an anaphase bridge is what this is. Since only daughter cells descended from the cell where the nondisjunction event has occurred will have an aberrant number of chromosomes, mitotic nondisjunction results in somatic mosaicism.
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3. A swamp ecosystem in Florida has alligators, turtles, boars, small and large Prish, aquatic birds, algae and patches of grasses. Based on the interactions that would accur between these organisms, which of the following will NOT limit the number of small fish in this swamp ecosystem?
A The number of aquatic plants
B. The number of turtles
C. The number of boars
D. The available water
Answers
what factors determine the rate of weathering
Answers
Answer:
Mineral Composition, Type of Lattice, Temperature, and Water and Salt.
Explanation:
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when an hfr e. coli cell engages in conjugation with an f- cell, what will be transferred to the recipient cell if the conjugation bridge is broken after 20 minutes?
Answers
When an Hfr E. coli cell engages in conjugation with f- cell, then part of the F plasmid and portion of the bacterial chromosome is transferred to the recipient cell if the conjugation bridge is broken after 20 minutes.
What do you know about Hfr E.coli?High-frequency recombination(Hfr) cell is a bacterium with a conjugative plasmid integrated into its chromosomal DNA and the integration of plasmid in the cell's chromosome is through homologous recombination.
After the cross between Hfr cell and F- cell, recipient cell remains recipient and in this conjugation, chromosomal DNA is transferred from donor to recipient cell with the portion of F- factor. Therefore, the frequency of recombination is high.
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Describe convection and give an example
Answers
Answer:
Everyday Examples of Convection
This hot water rises and cooler water moves down to replace it, causing a circular motion. radiator - A radiator puts warm air out at the top and draws in cooler air at the bottom. ... ice melting - Ice melts because heat moves to the ice from the air.
Explanation:
Plz brainliest
PLEASE HELP ME!! 50 POINTS!
The picture shows where soil has eroded on a bayou.
Look at second image for answers!
Answers
The two statements that describe harmful effects of soil erosion on a bayou are
B. Water plants may gain new places to grow.
C. Land plants may lose a place for their roots to grow.
What is the picture about?When soil erosion occurs in a bayou, it can result in the removal of sediment and soil from the land, which may be deposited in the water.
On the other hand, soil erosion can have negative effects on land plants. As the soil is eroded and carried away, the land may become more vulnerable to the loss of its topsoil, which is rich in nutrients and essential for supporting the growth of land plants.
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Which two statements describe harmful effects of soil erosion on a bayou?
A. Animals may lose their homes and food sources.
B. Water plants may gain new places to grow.
C. Land plants may lose a place for their roots to grow.
D. The wider open water may make room for larger animals.
A clay plate has a volume of 30.0cubic centimeters and a mass of 59.1grams. Calculate its density.
Answers
The density of the clay plate is 1970 kg m⁻³
the problem we are dealing with is related to density, which is the mass of a unit volume of a material substance. The formula for calculating density is d = M/V, where d is density, M is mass, and V is volume. Since we are provided with the volume of the clay plate which is 30.0cubic centimeters and the mass of the plate which is 59.1grams
so,V= 30 cm⁻³=3x 10-5 m and M= 59.1grams= 0.0591 kg
Therefore, the density of the plate is: M/V
=>d = 1970 kg m⁻³
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I need help with this one.
Answers
Answer:
Here is ya answer C: Cells
Explanation:
sister chromitids are attached to each other at an area called the.
Answers
Answer:
Sister chromatids are two identical copies of the same chromosome formed by DNA replication, attached to each other by a structure called the centromere. During cell division, they are separated from each other, and each daughter cell receives one copy of the chromosome.
Where is the genetic material in a prokarzotic cell
Answers
The genetic material in a prokaryotic cell is present inside a nucleoid present in the central area of the cell.
The genetic substance found in prokaryotic cells is DNA. In prokaryotic cells, the nucleoid, located in the cell's middle, houses the DNA. Since these cells lack a nucleus, DNA is linked to the cell membrane and in close proximity to the cytoplasm.
The material found inside the nucleus, mitochondria, and cytoplasm of a cell or organism is its genetic material, and these components are crucial in establishing the form, makeup, and personality of an individual. A gene, a segment of a gene, a group of genes, a DNA molecule, a portion of a DNA molecule, a group of DNA molecules, or the entire genome of an organism can all make up a cell's genetic material.
Prokaryotic cells range in size from 0.1 to 5 μm in diameter, making them generally smaller than eukaryotic cells. These are the most basic organisms that exhibit every symptom of existence.
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I need help asap. The melting and subsequent retreat of glaciers is a long process that may take centuries. Why is something so slow considered an extreme disturbance?
A. They will never grow back after they melt.
B. They move giant boulders and change the physical shape of the landscape.
C. They leave behind bare rock with no established ecosystem.
D. They strip away trees and destroy everything as they move
Answers
Answer:
1) is the first species in a barren area
2) a group of lichens
3) they leave behind bare rock with no established ecosystem
4) plastic pollution
5) drastically alter the ecosystem
Explanation:
did the quick check
''They will never grow back after they melt.'' is the correct statement.
Why slow process creates great disturbance?Melting of glaciers is a slow process but even then it produce an extreme disturbance in the surrounding because they will never grow back after once they are melted.
This melting of glaciers leads to the sinking of coastal regions around the world so we can conclude that ''They will never grow back after they melt.'' is the correct statement.
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Why are cells so important for organisms?
Answers
Answer:
Cells are the basic structur of all living organisms
Explanation:
i was told
Answer:
Cells are so important in organisms because cells are the basic structures of all living organisms. They also provide nutrient for organisms and take energy from the cells.
Happy_____ is found in ATP and cell membranes.
Answers
Answer:
Phosphorous
Explanation:
For people with options:
●Phospherous
●Nitrogen
●Carbon
●Oxygen
Phosphorus is found in both ATP and cell membrane. ATP is the Adenosine Triphosphate, it contains 3 phosphates whereas the cell membrane contains phospholipids which are made up of phosphates and lipid moieties.
What is Phospholipid?Phospholipids are the groups of polar lipids which are made up of two fatty acids, a glycerol unit, and a phosphate group. These are esterified to form molecules such as choline, ethanolamine, inositol, etc.
Phospholipids help the body in accumulation of fats in the liver. It also helps in the transportation and removal of cholesterol from the cells.
ATP (adenosine triphosphate) is the primary energy currency of cells. It is the source of energy for use and storage at the cellular level. ATP is made up of a nitrogenous base- adenine, a ribose sugar, and three bonded phosphate groups.
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1) Matter is constantly cycled between living and nonliving parts of the environment. Processes like photosynthesis and respiration allow the carbon cycle to regenerate needed substances by recycling Earth's atoms. A diagram of the carbon cycle is shown. Each arrow represents a process in the cycle. Which explanation best describes the process that occurs at the arrow marked B?
A) Plants use carbon dioxide from the atmosphere in the process of photosynthesis to produce glucose.
B) Plants release carbon dioxide into the atmosphere in the process of photosynthesis to produce glucose.
C) Plants use carbon dioxide from the atmosphere in the process of cellular respiration to convert glucose to ATP energy.
D) Plants release carbon dioxide into the atmosphere in the process of cellular respiration to convert glucose to ATP energy.
2) Deforestation has a crucial impact on the amount of carbon dioxide in the atmosphere. Which explanation best describes what is happening at the arrow marked A?
A) When forests are cut down, carbon absorption slows or ceases due to less photosynthesis occurring.
B) When forests are cut down, carbon absorption slows or ceases due to less respiration occurring in plants.
C) Trees cut down in deforestation are burned or left to rot causing additional carbon dioxide to be absorbed by the atmosphere.
D) Trees cut down in deforestation are burned or left to rot causing additional carbon dioxide to be released into the atmosphere.
Answers
The explanation that best describes the process that occurs at the arrow marked B is Plants release carbon dioxide into the atmosphere in the process of cellular respiration to convert glucose to ATP.
Option D is correct.
Part 2.
The explanation best describes what is happening at the arrow marked A, are Trees cut down in deforestation are burned, or left to rot causing additional carbon dioxide to be released into the atmosphere?
Option D is correct.
What are cellular respiration and deforestation?Cellular respiration is the process by which biological fuels are oxidized to yield significant amounts of energy in the presence of an inorganic electron acceptor, such as oxygen.
It is a metabolic pathway called cellular respiration that breaks down glucose and generates ATP.
Deforestation is described as the purposeful clearing of forested land in order to make space for agriculture and animal grazing and to obtain wood for fuel, manufacturing, and construction.
In conclusion, deforestation is the cause of around 10% of global warming.
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According to the base-pairing rules for DNA, which of the following statements
NOT true?
A always pairs with T
C always pairs with G
T always pairs with G
T always pairs with A
Answers
Answer:
T always pairs with A
Explanation:
I think so I'm super sorry if its wrong :)
According to the base pairing rule, guanine always forms a bond with cytosine, while adenine always pairs with thymine, T is not paired with G, hence option C is correct.
What is base-pairing in DNA?Because it is RNA, there is no complementary base pairing between the bases adenine and thymine in DNA. Uracil, which has a structure remarkably similar to that of thymine, is present in place of thymine.
Base pairing rule, guanine always forms a bond with cytosine, while adenine always pairs with thymine structure of DNA is created by the binding of these base pairs
Although they keep the two strands of DNA together, they are not strong enough to withstand replication.
Therefore, the base pairing rule, guanine always forms a bond with cytosine, while adenine always pairs with thymine, hence option C is correct.
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what does the circulatory system do for the stomach
Answers
Answer:
The digestive system breaks food down into nutrients such as glucose. Now the circulatory system enters the picture. It transports glucose and other nutrients from the digestive system to the cells. The circulatory system also transports oxygen from the lungs to the cells.
a receptor potential large enough to generate an action potential is called __________.
Answers
A receptor potential large enough to generate an action potential is called a "threshold potential."
When a stimulus is strong enough to depolarize a sensory receptor or neuron to a certain threshold level, it triggers the opening of voltage-gated ion channels, leading to the generation of an action potential. The threshold potential is the minimum membrane potential that must be reached to initiate an action potential and transmit the signal along the nerve or sensory pathway.
Once the threshold potential is reached, the depolarization triggers a cascade of events, including the rapid influx of sodium ions through voltage-gated sodium channels, leading to the propagation of the action potential along the nerve fiber.
The term you are looking for is "threshold potential" to describe a receptor potential that is large enough to generate an action potential.
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Find the locations of boreal forests, temperate forests, and tropical rain forests. How do the locations compare?
Answers
When NET FORCE is equal to
zero, a change in motion will
NOT occur. What amount of
force should be added to the
right side of the box if we DO
NOT want it to move?
Answers
describe how abnormalities in the mind are not really different from other physical or biological abnormalities.
Answers
Abnormalities in the mind are not fundamentally different from other physical or biological abnormalities because the mind is intricately connected to the body and brain.
The brain, which is the physical organ that governs the mind, is subject to the same laws of biology and physiology as any other organ in the body. Mental abnormalities, such as disorders like depression, anxiety, or schizophrenia, can be caused by a wide range of physical and biological factors, including genetic predisposition, environmental factors, chemical imbalances in the brain, and more.
Just like physical abnormalities, these mental abnormalities can have significant impacts on a person's health, well-being, and ability to function in their daily lives.
In fact, there is growing recognition in the medical community of the importance of treating mental health conditions with the same level of urgency and respect as physical health conditions. This is reflected in the increasing availability and use of mental health treatments such as therapy, medication, and other interventions.
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1. Name and explain 2 characteristics of life that
viruses have.
2. Name and explain 2 characteristics of life that
viruses do not have which makes them not qualify
as a "living thing".
Answers
(1) Two characteristics of life that are possessed by viruses are:-
(i) genetic material
(ii) ability to mutate as well as evolve.
(2) Two features of life that are not present in viruses and which disqualifies them from being labeled as a living being are:-
(i) cellular organization
(ii) metabolism.
Viruses, like other living organisms, seem to possess genetic material which could be either RNA (ribonucleic acid) or DNA (deoxyribonucleic acid). However, both RNA as well as DNA cannot be present together in a virus. Viruses are nucleoproteins and infect their hosts through the genetic material. Viruses can also mutate and evolve just like other living organisms.
However, viruses do not have cells, which is the most basic feature of all life forms. Viruses also do not exhibit any metabolic activity.
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During the process of diffusion, solute particles will generally move from an area of high solute concentration, to an area of low solute concentration. This happens because... solute particles are drawn to regions of high solvent concentration solute particles move away from regions of high solute concentration the random motion of particles suspended in a fluid results in their uniform distribution. solute particles tend to move until they are uniformly distributed within the solvent, and stop moving.
Answers
Diffusion is a passive process that does not require energy. This is why the movement of molecules occurs from an area of high concentration to an area of low concentration. In the case of solute particles, they move until they are uniformly distributed within the solvent.
During the process of diffusion, solute particles will generally move from an area of high solute concentration, to an area of low solute concentration. This happens because the random motion of particles suspended in a fluid results in their uniform distribution .
Diffusion happens due to the kinetic energy that causes a random motion of molecules. When a molecule collides with another molecule or the wall of the container it is in, the kinetic energy of the molecule is transferred to the molecules it collides with, causing them to move in different directions.
Diffusion can occur in a variety of mediums, including gases, liquids, and solids. It plays a significant role in various biological processes. For example, it helps transport nutrients and oxygen to cells and allows for the excretion of waste products. Diffusion is a passive process that does not require energy.
This is why the movement of molecules occurs from an area of high concentration to an area of low concentration. In the case of solute particles, they move until they are uniformly distributed within the solvent.
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During the process of diffusion: "The random motion of particles suspended in a fluid results in their uniform distribution."
What is diffusion?During the process of diffusion, solute atoms move from an area of extreme solute aggregation to an extent of low solute aggregation. This motion happens due to the chance motion of atoms postponed in a fluid.
As solute particles are changeable motion, they bang into each one and with the firm atoms, generating them to open and enhance evenly distributed. This process persists as far as the solute pieces are evenly delivered inside the stable.
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Microscopes helped scientists to observe all of the following characteristics EXCEPT:
A.
which organisms have a nucleus
B.
which organisms have a cell wall
C.
which organisms sexually reproduce
D.
which organisms are multicellular or unicellular
PLEASE HELP IM NOT THAT GOOD IN SCIENCE!!!
Answers
Answer:
Which organisms sexually reproduce
What is the major difference between an endospore of a bacterium and an exospore of a fungus? 27 Answers AD A Fungal exospores are not for reproduction B Endospore of bacteria are dormant forms which are highly resistant too C Endospores are developed in all bacteria but not all fungi form exospores D Endospores are formed as a mean of reproduction in bacteri
Answers
The major difference between an endospore of a bacterium and an exospore of a fungus is that B, endospores are dormant forms which are highly resistant to environmental stresses, while exospores are not.
What are endospore and exospores?Endospores are formed by some bacteria, such as Bacillus anthracis, as a means of survival in harsh environments. They are metabolically inactive and can withstand extreme temperatures, radiation, and chemicals. When conditions improve, the endospore can germinate and the bacterium can resume its normal life cycle.
Exospores are formed by some fungi, such as actinomycetes. They are not as resistant to environmental stresses as endospores, but they can help the fungus to disperse and colonize new areas.
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Do most mammals have adaptations for internal fertilization and internal development of the fetus or internal fertilization and external development of the fetus?
Answers
Answer:
internally
Explanation:
In mammals, fertilization takes place internally in the protected environment of the ampulla of the oviduct, as opposed to external fertilization where sperm and egg meet outside the parent's body (e.g., as in fish, reptiles, amphibians and invertebrates).
Which part of the neuron below is indicated by the arrow, and what is its function? The long section of a neuron that includes structures that wrap around the neuron are indicated by the arrow. The axon carries information through electrical impulses away from the cell body to the axon terminals. The axon contains the nucleus that controls all the activities of the cell. The dendrites regulate the substances that go in and out of the cell. The dendrites carry the electrical impulses from the signal receivers to the cell body.
Answers
Answer:
The answer is D. I am telling you this because i got it correct on the quiz, 90%. Not to brag.
Explanation:
Which part of the neuron below is indicated by the arrow, and what is its function?
The dendrites carry the electrical impulses from the signal receivers to the cell body.
Now mark me brainliest please :) im trying to level up.
A neuron is the structural and functional unit of the nervous system.
What wraps around the neuron?Schwann cells form the myelin sheath around the neurons of the peripheral nervous system while oligodendrocytes in the central nervous system.
What is its function?It creates an insulation layer and helps in the quick transmission of impulses.
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