Explain why most nerve cells have a myelin sheath (2 marks)​

Answers

Answer 1

Answer:

This allows electrical impulses to travel efficiently and quickly along the cells.


Related Questions

The electron transport process makes water and ATP and is sometimes called
because it requires oxygen.

Answers

Answer:

respiratory chain... hope that's right

Aerobic Pathaway/respiration

how long does it take for a photon to travel through the convection zone

Answers

Answer:

50 million years

Explanation:

It can take a photon as long as 50 million years to travel all the way through the radiative zone. The convection zone surrounds the radiative zone. In the convection zone, hot material from near the Sun's center rises, cools at the surface, and then plunges back downward to receive more heat from the radiative zone.

STUDY TIP 2

Find a comfortable place to study with good lighting and few distractions. Avoid studying in bed, as it will be too tempting to take a nap.

FOLLOW FOR MORE​

Answers

Answer:

thanks for the tip very important

What do we call it when trees and
crops are interplanted?
A. industrial agriculture
B. terracing
C. irrigation
D. agroforestry

Answers

Answer:

D. agroforestry

Lysozyme is an enzyme found in animals that helps prevent bacterial infections in eyes. Which statement best explains how lysozyme functions?

It acts as a lubricant to wash bacteria out of the eye.
It acts as a lubricant to wash bacteria out of the eye.

It acts as a catalyst to break down harmful bacteria.
It acts as a catalyst to break down harmful bacteria.

It acts as a protective layer to prevent bacteria from entering the eye.
It acts as a protective layer to prevent bacteria from entering the eye.

It acts as a trap to catch bacteria and restrict their movement.

Answers

The statement that best explains how lysozyme functions is as follows: It acts as a catalyst to break down harmful bacteria.

LYSOZYME:

Lysozyme is a digestive enzyme found in living cells. An enzyme is a biological catalyst that helps regulate the rate of biochemical reactions.

As a digestive enzyme, lysozyme will carry out the responsibility of breaking down molecules.

According to this question, lysozyme is an enzyme found in animals that helps prevent bacterial infections in eyes. This means that lysozyme will act as a catalyst to break down harmful bacteria.

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Answer:

It acts as a catalyst to break down harmful bacteria.

Explanation:

The bacterial cell was is made up of murein also called peptidoglycan. The active site of the enzyme lysozyme binds with the molecule of peptidoglycan attacking and breaking it. It degenerates the bacterial cell wall eventually killing the bacteria.Lysozyme mostly, works on the gram-positive bacteria as the peptidoglycan layer is present on the outer side of the cell wall unlike gram-negative where it is present in the inner side of the cell wall. Thus, acting and functioning as a catalyst that breaks down walls of bacteria, enhances innate immunity, and protects from infection.

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Science is often described as a way of knowing things. Beginning with careful observations, describe how the knowing of things usually works.

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by repeating the same hypothesis over and over again with different groups and controls/variables until you’ve come to the same conclusion each time proving that’s how something works.

Help me this is 20% of my finals grade I know it’s a lot but I’m desperate!!!!

Answers

Onion root cell 3 is the closest to the completion of the cell cycle. Mitosis is

the type of cell division which involves the production of two identical

daughter cells.

Telophase is regarded as the final stage of mitosis before cytokinesis takes

place. In this phase, the chromosomes decondense and the spindle breaks

down.

There is also formation of two new nuclei of the daughter cells which are

separated by the newly formed nuclear membrane which is evident in the

onion root cell 3 thus making it the most appropriate choice.

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A series of open-air bodies of water used to slowly treat wastewater are

artificial wetlands
stabilization ponds
biodegradable treatments
open aeration ponds

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The answer is: B - stabilization ponds.

what conditions prompt hemoglobin to release oxygen? select the three answers that are correct.

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When blood is in the lungs,
where oxygen is plentiful, oxygen easily binds to the first subunit and then quickly fills up the remaining ones. Then, as blood circulates through the body, the oxygen level drops while that of carbon dioxide increases. In this environment, hemoglobin releases its bound oxygen.

The conditions that prompt hemoglobin to release oxygen are:

Decrease in pH (high acidity)

Exercise

Unloading of oxygen from haemoglobin

Haemoglobin is the blood protein that is used to carry oxygen in our body and gives blood its red colour. The ability of this protein to carry oxygen depends on some factor. These factors include:

Decreased pH: Upon the production of carbondioxide in the tissue cells, carbonic acid is produced which leads to decrease in pH of the blood.

Exercise: During exercise, the temperature of muscle increases secondary to its utilisation. This will cause the release of unloading of oxygen from haemoglobin.

Therefore, conditions that prompt hemoglobin to release oxygen are decrease in pH (high acidity) and exercise.

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A dripping tap or shower head wastes up to:
a) 1000 litres a week
b) 5000 litres a week
c) 3000 litres a week
d) 10000 litres a week

Answers

the answer is A. 1000 liters a week

Which of the following is an example of a positive feedback?

a. when your body is cold and triggers shivering to warm your body up
b. insulin's reducing blood sugar
c. withdrawing your hand from a painful stimulus, like a broken glass
d. the formation of a platelet plug during blood clotting

Answers

I believe it would be (B) but i’m sorry if i am wrong.

Answer:

C

Explanation:

that's the only one that seems reasonable. and (positive)

This is a warning of the planet due to carbon dioxide and heat rentention

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Answer:

The answer is Greenhouse Effect

En la naturaleza existen más de 4000 minerales diferentes conocidos conocidos

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La declaración 'en la naturaleza existen más de 4000 minerales diferentes conocidos' es VERDADERA. Estos elementos pueden ser diferenciados por sus propiedades.

Un mineral es un material inorgánico que se encuentra en la naturaleza, el cual posee una estructura atómica específica, como así también una composición particular.

El estudio de la propiedades físicas y químicas permiten diferenciar los diferetes tipos de minerales que se encuentran en la naturaleza.

Los minerales pueden encontrarse en su estado puro (por ejemplo, oro, plata, cobre) o bien estar combinados con otros materiales para formar diferentes elementos.

Por ejemplo, el cuarzo está formado por la unión del silicio con oxígeno.

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What are the reactants in the equation for cellular respiration?
Group of answer choices

glucose and oxygen

water and glucose

oxygen and lactic acid

carbon dioxide and water

Answers

Glucose and oxygen is the right answer
The answer is glucose and oxygen

define the following terms:dispersion and refraction ​

Answers

Explanation:

Dispersion of light is the splitting of white light into its constituent colors due to the refractive index of the surface and the wavelength of the light. If the light entering the prism is not of a single colour then the emergent beam also has different colours arranged in a definite order.

In physics, refraction is the change in direction of a wave passing from one medium to another or from a gradual change in the medium. Refraction of light is the most commonly observed phenomenon, but other waves such as sound waves and water waves also experience refraction.

Dispersion is defined to be the spreading of white light into its full spectrum of wavelengths. Refraction is responsible for dispersion in rainbows and many other situations. The angle of refraction depends on the index of refraction, as we saw in The Law of Refraction.

Which stage is labeled E in the diagram?

Answers

Answer:

can you show the diagram?

where is the diagram?

please help this is for a presentation.. Is the spongy parenchyma cell unicellular or multicellular?​

Answers

it is Multicellular

The Maine Department of Transportation (DOT) has a fleet of roughly 400 plow trucks that are used to control snow and ice on
approximately 8300 lane miles of Maine's state roads. They usually plan on an average of about 30 treatable events in a winter. This
includes the use of rock salt, salt brine and winter sand, a mix of sand and salt. Salt brine is used on roads and bridges prior to a
storm to delay ice and snow from sticking to the roadway and is also used in plowing to fight the buildup of ice and snow throughout
the storm. Rock salt helps keep roads safe when winter storms hit, reducing winter road accidents, but it can also have negative
effects on plant life and aquatic ecosystems. What is something your community can try to reduce the environmental impact of
salting? Select ALL that apply.
A)
Buy more snow plows and use less salt.
B)
Ban all salt based solutions in the state.
C)
Provide incentives to consumers who install snow tires for increased
traction.
D)
Provide tax incentives to municipalities who will install solar panels that
heat water in pipes embedded in the road.
Wet the pavement before applying brine solutions to help the salt adhere
to the road, cutting back on how much they use.
E)

Answers

My community can try to reduce the environmental impact of

salting by:

Provide incentives to consumers who install snow tires for increased traction.Provide tax incentives to municipalities who will install solar panels that heat water in pipes embedded in the road.Wet the pavement before applying brine solutions to help the salt adhere to the road, cutting back on how much they use.

This will help to reduce the concentration of salt which flows into water

bodies and save aquatic life present in them.

It will also help to ensure there are no accidents through the usage of snow

tires.

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Answer:

C, D, E

Explanation:

It was already there but hard to see.

Ellen held a substance that is comprised of elements that have been chemically joined. The substance now has different properties than the elements that were joined to make it. Ellen is most likely holding a
a. compound
b. water molecule
c. single atom
d. mixture

Answers

Answer:

I'm going to go with a mixture sorry If this is wrong

Explanation:

what compares nucleic acids and carbohydrates

Answers

Answer:

D. They both contain carbon, but only nucleic acids contain phosphorous.

Explanation:

Summarize the transportation of gases in the human body (respiratory system)

Answers

Answer:

As the oxygen rich blood reaches the capillaries gas exchange occurs, oxygen is delivered to the tissues and de-oxygenated blood( loaded with CO2) leaves the tissues of the body and flows back to the heart where it is pumped to the lungs via the pulmonary arteries.

Which part of a neuron is most similar to other cells in the body?
dendrite
axon
glia
body

Answers

Answer:

D. The Cell Body

Explanation:

The cell body has genetic information, keeps the neuron's structure, and gives it the energy it needs to do things. A neuron's soma, like other cell bodies, has a nucleus and other special parts.

Answer:

it is the body

Explanation:

I took it and got it right have a nice day

All of the following are ways in which DNA technology plays a role in medicine except identifying mutations. Producing insulin and growth hormone. Tracking how a condition is passed between generations. Examining paternity.

Answers

DNA technology plays a role in medicine except identifying mutations when EXAMINING paternity. It involves the determination of the biological father.

DNA technologies refer to the genetic engineering techniques used in medicine and biotechnology for diverse purposes.

For example, DNA recombinant technologies can be used to produce insulin, which is a hormone required for the treatment of individuals suffering from diabetes.

DNA paternity tests are genetic tests whose objective is to determine nucleotide (DNA) polymorphisms and thus indicate whether a man is another individual's biological father.

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Answer: Its Examining Paternity

Explanation:

Edge 2022

15.) Mutated
will make mutated
! which will make the wrong

Answers

love can't ignore touch with

Why does Earth experience different seasons?


the revolution of Earth on its own axis in 24 hours

the revolution of Earth on its own axis in 24 hours

the presence of the Moon in between the orbit of the Sun and Earth

the presence of the Moon in between the orbit of the Sun and Earth

the distance between the Sun and Earth changing throughout the year

the distance between the Sun and Earth changing throughout the year

the variation in the amount of sunlight received due to the tilt of Earth’s axis

Answers

Answer: The answer is because of the variation in the amount of sunlight received due to the tilt of Earth’s axis.

Glycolysis requires an input of energy. What molecule provides this energy?

Answers

Answer:

Glycolysis is actually a series of ten chemical reactions that requires the input of two ATP molecules. This input is used to generate four new ATP molecules, which means that glycolysis results in a net gain of two ATPs.

Explanation:

hope it helps

what are the five functions of the skeletal system?

Answers

Explanation:

protection of internal organsbody support blood cell formation endocrine regulationstorage of mineral and fat

Chimpanzees, chickens, cows, and human beings all share a gene for an insulin hormone. What does this suggest? (1 point)
a. this suggests that none of these species share a common ancestor
b. this suggests that all of these species share a common ancestor
c. this suggests that two of these species share a common ancestor
d. this suggests that three of these species share a common ancestor

Answers

B. This suggests that all of these species share a common ancestor.

Since they all share a similar gene, they must all be share an ancestor that they all descend from at some point in time.

Chimpanzees, chickens, cows, and human beings all share a gene for an insulin hormone this suggests that b. this suggests that all of these species share a common ancestor.

What is evolution?

In biology, evolution is the alternative withinside the traits of a species over numerous generations and is based at the method of herbal selection. All cutting-edge people are 99.9% much like each other with inside the part of the human genome that codes for proteins.

In equal regions of the genome, we're 98.8% genetically much like chimpanzees, 75% genetically much like chickens, or even 60% genetically much like banana tree evidence from fossils, proteins, and genetic research shows that people and chimpanzees had a not unusual place ancestor tens of thousands and thousands of years ago. Most scientists trust that the 'human' own circle of relatives tree (called the sub-organization hominin) breaks up from the chimpanzees and different apes approximately 5 to seven million years ago.

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What is the role of transport proteins in the cell membrane

Answers

Explanation:

Membrane transport proteins fulfill an essential function in every living cell by catalyzing the translocation of solutes, including ions, neurotransmitters, and numerous drugs across biological membranes

the four most abundant elements in living organisms are

Answers

Answer:

CHON is a mnemonic acronym for the four most common elements in living organisms: carbon, hydrogen, oxygen, and nitrogen

Explanation:

hope it helps you

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Why is it important to have social awareness?In your own words Hey guys! Please help paraphrase(The Great Wall of China is a huge protective barrier that was built across the historical northern borders of ancient Chinese states and Imperial China. It's purpose was to protect everyone against various nomadic groups from the Eurasian Steppe. Several walls were constructed from as early as the 7th century BC. Later, they were joined together with selective stretches by Qin Shi Huang, the first emperor of China. Not much of the Qin wall remains. Later on, many successive dynasties have built multiple stretches of border walls. The most popular and well-known sections of the wall were built by the Ming dynasty. Some other purposes of the Great Wall include border controls, allowing the infliction of duties on goods transported along the Silk Road, regulation and encouragement of trade, and the control of immigration and emigration. Furthermore, all of the defensive characteristics of the Great Wall were increased and improved by the construction of garrison stations, signaling capabilities, watchtowers, troop barracks through the means of smoke or fire, and the fact that the path of the Great Wall also served as a 'transportation corridor'. Why did the early kings of West Africa hire Muslims to be government officials?A.They were not Christians.B.They were most honest.C.They could speak, read, and write Arabic.D.They worked for free which group had the greatest success in converting people outside europe to christianity? What is (0,1) and (4,2) in slope intercept form how should you punctuate the title of a poem or a short story that you write about formal analysis?a. "quotation marks"b. Underline (or italicize) c. ALL CAPSd. [Brackets] 2x+7y+7x=18Find the value of Y What is an equivalent expression to 7x - 3y + 8x ?Pls look at the image that I uploaded if 6 notebooks cost $15 how much would 1 notebook cost? which level of an energy pyramid has the least amount of food energy? Erin tried to multiply 70 x 30 by decomposing 70 and 30 into multiples of 10. Her work is below.A-Step 1 B-Step2C-Step3D-Step4E-Erin did not make a mistakes. Which of the following of jackson's policies undermined his position as described in the excerpt? explanation plz 1) Solve for x in the following equation x + 4 = 10. x=______ *2) Solve for p in the following equation 3(p + 2) = p + 16 p = _____ *3) Solve for x in the following equation -3x=9 x = _____ *4) Solve for f in the following equation -5f=-10 f = ______ *5) Solve for x in the following equation x + 2 = 12 x = ________ *6) Solve for k in the following equation -1 = k 2 k = _____ *Someone help me will this Please give help and label them giving brainiest Mark the sums of the integers as either positive or negative. -8+(-9)7+(-3)5+(-12)-12+15 10. Flora rented a space at the flea market.Her space included electricity.Booth Spaceeach day:$25Electricity:$2Which expression gives the total cost ofthe day's rental if she used h hours ofelectricity?A. 25-2hB. 25 + 2hC.(25+2) x hD. 25h+2 what are 2 achievements of the Mauryan Empire? Please don't look it up and say it in your own words also just name them don't put a whole sentence if you do that I will give you brainliest. write in point slope form an equation of the line that passes through point (6,5) with slope 3 Susan loaned Marcel $19,080 at an interest rate of 17% for 5 years. How much will Marcel pay Susan at the end of 5 years? Round your answer to the nearest cent, if necessary. Help!!So I think that someone is tracking my truck with an apple airtag but I don't know for sure. The only apple product I have is an iPad and I don't know how to check if an airtag is near by!!