What are the smallest blood vessels in the body called?

a. capillaries

b. venules

c. arterioles

d. alveoli

Answers

Answer 1
The answer is a (capillaries)

Related Questions

The aerobic cellular respiration (release of energy from food) of carbohydrates occurs in the

Answers

Answer:

Mitochondria

Explanation:

Mitochondria are energy-producing organelles in eukaryotic cells. They carry out a series of reactions that generate many molecules of ATP from the breakdown of sugars. This process is called aerobic respiration.

Select the TWO correct statements below regarding the two
graphs above. Take your time to get both right so you get this 4
point question correct.
SELECT ALL THAT APPLY
The graph on the left is called an
exponential curve.
The curve on the right is called a J-curve.
Time is plotted on the x-axis.
The graph on the right is the only
population growth model

Answers

Answer:

duofu9fhodits

Explanation:

dyidyiditcgksgztidulf96dhltizitxtisitxitsitst7dyid75figd7tydyixuofiy7d96dyidiydiydjgdiyd

Which of the following elements are commonly found as part of biological macromolecules?

Answers

Answer:

Biological macromolecules are organic, meaning they contain carbon. In addition, they may contain hydrogen, oxygen, nitrogen, and additional minor elements.

Explanation:

A in Bio last year.

biological macromolecules contain carbon. it may also contain hydrogen, oxygen, and nitrogen also including some very minor elements

Our solar system is in the _______ arm of the Milky Way galaxy, 28,000 light years from its center.

Answers

Our solar system is in the Orion arm of the Milky Way Galaxy, 28,000 light years from its center.

Answer:

Orion arm

Explanation:

define Vasoconstriction
in a way a elementary kid would understand

Answers

Vasoconstriction occurs when the blood vessels tighten, which causes the blood flow to slow down.

It’s when your blood vessels tighten like when you make fist and it makes the blood move very slow

please help :(( How many Phosphorus atoms are in the chemical equation H3PO4
A. 4 Phosphorus atom
B. 1 Phosphorus atom
C. 12 Phosphorus atom
D. 3 Phosphorus atom

Answers

the answer is A. 4 phosphorus atoms

How does Meg use the ultimate boon to conquer the power of IT

Answers

Answer: She discovers the power of love to fight the darkness of hate

Explanation:

In the book, A Wrinkle in Time, siblings Meg Murray and Charles Wallace along with their friend Calvin O'Keefe embark on a journey to a planet under the control of a dark force known as IT.

When they get there Charles is captured but the rest manage to escape and now Meg has to go back to save her brother. In the process of saving him she discovers that she must use the power of love for her brother to fight and  conquer the darkness of hate that the IT possesses. When she does so she is able to free her brother and they escape together.

how are underwater ecosystems affected by tidal waves

Answers

Answer:

A tidal wave is a shallow water wave caused by the gravitational interactions between the Sun, Moon, and Earth. ("Tidal wave" was used in earlier times to describe what we now call a tsunami.) A tsunamis is an ocean wave triggered by large earthquakes that occur near or under the ocean,...

i think

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The enzyme involved in the transcription of RNA molecules is:
O Pepsin
DNA polymerase
Codon
RNA polymerase

Answers

Answer:

RNA polymerase is the enzyme involved in the transcription of RNA molecules.

Answer for 25 points also I’ll mark you as the brainiest ! For the quickest answer.

Answers

Answer:

The Fourth Point (between 4 and 5)

You find the optimal pH by looking for the pH with the highest activity.

Explanation:

The optimal ph is basically where the enzyme has THE MOST activity.

The fourth point of the pH, and activity is the optimal pH because it has the most activity out of the nine points.

how does federalism allow for the peaceful distribution of government authority​

Answers

Answer:

Federalism limits government by creating two sovereign powers

Explanation:

—the national government and state governments—thereby restraining the influence of both. Separation of powers imposes internal limits by dividing government against itself, giving different branches separate functions and forcing them to share power.

Who is Thomas Malthus? Select the TWO correct answer to get
this question correct.
SELECT ALL THAT APPLY
A poet from England
A thinker from England
A political leader from Germany
Someone who studied astronomy and
population
Someone who studied economics and
politics
Someone who studied politics and
astronomy

Answers

Answer:

someone who studies economics and politics and i think a poet from england or thinker from england so choose wisely.

Question 4 of 5
Which phrase best describes the particles in a solid?
A. Completely still
B. Closely packed
C. Sliding around
D. Very far apart

Answers

The molecules would be closely packed
B closely packed since it describes the particulars in a soiled

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Identify the nitrogenous base NOT present in RNA.
Adenine
O Thymine
O Guanine
Cytosine

Answers

Answer:

Thymine

Explanation:

Uracil is the nitrogenous base present only in RNA, but not in DNA. ... DNA have thymine, guanine, adenine and cytosine. Thymine is replaced by uracil in RNA.

List five organelles eukaryotes have that prokaryotes do not have. ( 5pts)​

Answers

Answer:

Lysosomes and peroxisomes, Microtubules, Endoplasmic reticulum, Mitochondria, and Cytoskeleton

Explanation:

The characteristics that eukaryotes have are lysosomes, mitochondria, nucleus, ribosomes, and endoplasmic reticulum.

What are eukaryotes?

Eukaryotes are lifeforms with nuclei and other membrane-bound organelles. Eukaryotic organisms include all animals, plants, fungi, and protists, as well as the majority of algae.

Prokaryotic organisms are the ones lacking a well developed nucleus. They do not possess lysosomes, mitochondria, nucleus, ribosomes, and endoplasmic reticulum.

Thus, these are five organelles that are present in eukaryotes but are absent in prokaryotes.

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Which of the following is not a true polymer? Dna, cellulose, fat, protein

Answers

Answer:

cellulose

Explanation:

it is not the true polymer

Answer:

cellulose

-hope this helped

Describe the chemical and physical structure and parts of a gene.

Answers

Double helix my demon

Which government agency would you expect to be most concerned with the impacts of pollution?
a. Environmental Protection Agency (EPA)
b. Food and Drug Administration (FDA)
C. Bureau of Land Management (BLM)
d. Department of Fish and Wildlife

Answers

Answer:

a the Environmental Protection Agency EPA has jurisdiction over all pollution matters

The Environmental Protection Agency (EPA) will be most concerned with the impacts of pollution. Thus, the correct option is A.

What is Pollution?

Pollution may be defined as the presence of toxic substances in the environment which are harmful and poisonous to human health and animals to a larger extent.

The Environmental Protection Agency (EPA) has the administration and control over any consequences which are associated with pollution and its derivatives.

Therefore, the correct option is A.

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You are studying three populations of an endangered species of toad that used to be common in the California central valley. Global warming has caused this species to retreat to higher elevations in recent decades where it stays cooler; the toad used to be found throughout the valley, but is now restricted to the tops of three mountains. Historical records indicate that there used to be hundreds of thousands of toads in the central valley, but sampling the mountaintops reveals that the toad population on each is now limited to a few hundred individuals. You survey allozyme diversity at one locus on each of the three mountaintops and find that each population is fixed for a different allele of the ribbit gene: mountain #1 is fixed for the A1 allele, mountain #2 for the A2 allele, and mountain #3 for the A3 allele. The average number of baby toads born in each population is the same, and the environment on each mountaintop is very similar, as far as your data show.
Explain why each population is fixed for a different allele.
Sentence 1: Describe the variability that was initially present in each of the populations.Sentence 2: State which individuals had the highest fitness in a given population, or why fitness is not an issue if that is your conclusion.Sentence 3: Explain what evolutionary force acted on the population(s), and why and how it acted.Sentence 4: Describe how the populations evolved in response to their changing environment. Be as specific as you can (e.g., say "increased" or "decreased", rather than just "changed".)

Answers

Answer:

Explanation:

The allele are fixed because there is no variation that exist in the population and the allele are almost completely the same hence no new combination of gene the same Allele will continue to reoccur

Variability exist because of random mating that occurs in the population initially when the toad filled up the entire central valley

Random mating ensures fitness in the initial population

Genetic drift acted upon the population drifting away allele that are very few in population or that occur less in the population and perpetuating alleles that frequently occur leading to a fixed allele.

There was a decrease in the population as a result of the change in the environment.

After Pedro had breakfast, he went for a run. Identify at least three energy transformations that had to take place to allow Pedro to complete his run. Then use evidence to support the claim that energy in this system was conserved as it was transformed.​

Answers

I tried my best to answer.

1) Chemical to mechanical (calories -> muscle contractions)
2) mechanical to mechanical (muscle -> motion)
3) mechanical to thermal (motion -> heat from the body causes sweating)

The potential energy is stored in the body chemically (via food). That potential energy is then released when the body is put in motion.

Answer:

When Pedro ate breakfast, he consumed chemical energy. Chemical energy is a form of potential energy and that potential energy was stored in his breakfast. When he went out for a run, the chemical energy transformed into mechanical energy, which is a form of kinetic energy. The mechanical energy then transforms into thermal energy when he is running. While running his temperature started to rise which caused him to sweat. The energy in his system was conserved as it was transformed because the energy was constant. When the energy was being transformed between different types, the total amount of energy remained the same.

Explanation:

you can switch up the words if you want !

Why is soil erosion important to agriculture?

Answers

Answer:

because without soil we wouldn't be able to grow our food.

This woman is riding a bicycle down a hill at a constant speed and in a straight line. Which change will increase the speed of the bicycle?

A. An added force of 20 N to the side of the hill B. Added forces of 30 N up the hill and 20 N down the hill
C. Added forces of 30 N up the hill and 30 N down the hill
D. An added force of 20 N down the hill​

Answers

Answer:A. An added force of 20 N to the side of the hill

An added force of 20 N down the hill will increase the speed of the bicycle, stronger gravity is applied to things with higher masses, hence option D is correct.

What condition if a bicycle down a hill at a constant speed?

A force that unites things. You stay on the ground thanks to the Earth's gravity, which also causes things to fall. Everyone and everything is affected by gravity.

Gravity is the force that pulls the cyclist down toward the ground. Riding the bike ahead on a completely level road encounters very little resistance from the effects of gravity.

Cyclist gains speed even when they are not pedaling because the potential energy produced by a hill's height is converted into an equivalent increase in kinetic energy.

Therefore, an added force of 20 N down the hill​ is correct.

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If you wanted you duplicate conditions in a laboratory that produced metamorphic rocks what would you need to do

Answers

Apply high pressure to the rock. Apply high temperature to the rock. Apply high temperature and pressure to the rock.

A plant is the most balanced need for water within its need for carbon dioxide and oxygen. It’s too much water is lost, the stomata will close. How does this affect the plants ability to regulate levels of carbon dioxide and oxygen?

Answers

Answer:

it helps regulate them and keep them level going through the state of transpiration

Explanation:

to prevent too much water lost a plant will close it's stoma to store that water, this process is called transpriation. if the stoma is open it will dry out the plant.

so a plant losing water in reaction they will close their stoma which is homeostasis, homeostasis is balance. so for example u go through homeostasis when it's hot outside it results in u sweating, why? cause your body is trying to cool down and regulate it's self.

Which monosaccharides make up sucrose?

Answers

It is made of one glucose molecule and one fructose

Which shows a correct association between a structure and one of its functions? Pores receive sensory information. Oil regulates temperature. Vitamin D protects against bacteria. Sweat glands remove waste​

Answers

Answer:

D

Explanation:

Sweat Glands remove waste

The sweat glands that eliminate wastage represent the right association between the structure and one of the functions

.

What is a sweat gland that eliminates waste?

The sweat represents the fluid that comprises of mainly of water also there is much dissolved solid wastage that should be excreted via the sweet glands. It eliminates the excess water and salts also it served the function of colling the body at the time of thermoregulation.

Therefore, The sweat glands that eliminate wastage represent the right association between the structure and one of the functions

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Order the following from largest to smallest:

chromosome
nucleus
nucleotide
DNA-histone complex
gene
cell double-helix

Answers

Explanation:

cell double-helix

gene

DNA-histone complex

nucleus

nucleotide

chromosome

Which option contains all of the other options listed?
gene
chromosome******
chromatid
centromere

Answers

Answer:

The chromosome contains all of the other options listed.

Explanation:

In eukaryotes, the complete chromosome is composed of only one lineal and extremely long DNI molecule. DNA is intimately associated with two types of proteins: histones, which are structural proteins, and non-histone proteins that mediate different functions of DNA. DNI associated with histones is called chromatin. Histones are responsible for packaging the DNI molecule.

In the interphase, before cellular division, chromatin is in a diffuse, lax, uncondensed state. When cellular division is about to happen, chromatin begins to condensate, and the chromatin strand generates a copy or clon so both of the daughter cells can get the same genetic information. At the beginning of the prophase, DNI is condensed in a well-defined chromosome formed by two sister chromatids. In metaphase, two chromatids joined by a centromere form the typical chromosome.

So, one chromosome is composed of two sister chromatids condensated and joint by the centromere. It looks X-shaped.

Genes are located in chromosomes, specifically in the DNA strand.

Answer:

chromosome

Explanation:

WHAT IS THIS PLEASE HELP!!!

Answers

Answer:

Carbon

Explanation:

Ahemisphere is ______ of the Earth
A. one-half
B. one-third
C. two-thirds
D. three-quarters

Answers

the answer would be A. 1/2

Answer:

A. one half

Explanation:

the earth is divided into the northern and southern hemisphere.

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