Arteries near the heart expand as blood rushes in after each contraction. Which component in the arteries allows this expansion? (2 points)

Connective tissue in the tunica media
Smooth muscle in the tunica media
Endothelium in the tunica intima
Elastin protein in the tunica intima

Answers

Answer 1

Answer: The elastic connective tissue

Explanation: Allow stretched tissues to recoil as pressure is reduced

Answer 2

Answer:    D

Explanation:


Related Questions

3. Which of the following statements regarding plant and animal cells is INCORRECT?
Both plant and animal cells contain DNA
Both plant and animal cells are eukaryotic
Both plant and animal cells comprise organisms that belong to the same kingdom
Both plant and animal cells have a nucleus

Answers

Did you get the answer to this?

Answer:

Its most likely c. Both plant and animal cells comprise organisms the belong to the same kingdom. Hope this helps!

Explanation:

Pauline took two small identical containers and filled them with the same amount of water.She dissolved a tablespoon of salt in one of them and placed both containers in a freezer.Pauline then observed them every five minutes until one of them had frozen.What is most likely the dependent variable (outcome variable) in this experiment?

A.The time it took for the liquids to freeze
B.The amount of water in each container
C.The amount of salt in each container
D.The type of liquid

Answers

Answer:

A

Explanation:

This line should explain it "Pauline then observed them every five minutes until one of them had frozen."

The most likely dependent variable (outcome variable) in this experiment is the time it took for the liquids to freeze. The correct option is A.

What are the variables of the experiment?

The variables of an experiment are the factors of the object on whom the experiment is done or the factors which affect the experiment. There are three types of variables. These are dependent, independent, and control variables.

Independent variables are those which can not be controlled by the person who is doing the experiment. The dependent variables can be changed or controlled by the experimenter.

A controlled scientific experiment will be controlled by the scientist, and it is to be checked that what time and what face of the experiment is going on.

Therefore, the correct option is A. The time it took for the liquids to freeze.

To learn more about the variables of the experiment, refer to the link:

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What process of DNA is represented in the diagram below?

Answers

Answer:

DNA Replication

Explanation:

Because DNA's two strands are complementary, it can reproduce itself. This means that one strand can serve as a template for the creation of the other. It occurs just prior to cell division via mitosis or meiosis, allowing each new daughter cell to have a full genome.

The two strands of DNA must first separate from one another before replication can begin. DNA helicase is an enzyme that breaks the hydrogen bonds that hold the two strands together, allowing them to separate.

what is the role of a receptor in helping an organism maintain homeostasis

Answers

Cellular junctions help organisms maintain homeostasis by connecting cells to their neighbors, thus enabling communication between cells. Receptors allow cells to respond to chemical messages.

The role of a receptor in helping an organism maintain homeostasis  is to detect stimuli and sends information to the control center. Thus, option C is correct.

What is homeostasis  ?

Any self-regulating mechanism by which biological systems have a tendency to retain stability while responding to environmental factors that are best for survival.

The body's homeostasis keeps all cell processes and enzyme activity at their ideal levels. Despite changes in internal and external conditions, it is the maintenance of a constant internal environment.

As an instance of homeostasis in a biological system, the regulation of body temperature in humans is a good example.

Therefore, the control center receives input from the sensory receptor or sensor. Option C is correct.

Learn more about the homeostasis

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This question is incomplete. The complete question is given below:

A. receives messages sent by the control center

B. carries out a response to restore internal

conditions

C. detects stimuli and sends information to the

control center

D. compares current conditions with ideal values

for those conditions

Does chemosynthesis produce oxygen​

Answers

Answer:

While all chemosynthetic organisms utilize energy released during chemical reactions to synthesize sugar, different species do so via distinct metabolic pathways. Among other things, bacteria at hydrothermal vents breakdown hydrogen sulfide, mix carbon dioxide with oxygen, and make sugar and sulfur. [tex]CO_2+4H_2S+[/tex][tex]O_2- > CH_20+4S+3H_2O.[/tex]

I hope this helps you

:)

Look at the diagram. What type of cell is shown by number 5?

Answers

i think its a membrane

Answer:

it's the root hair cell

Explanation:

because that specific structure belongs to the root hair cell

We are tired, for the journey has been long. If we can continue for another hour, we will have reached our destination. Our
horses are exhausted because of the terrain, therefore, we may have to carry them.
Which underlined word is a coordinating conjunction?
A)
because
B)
for
if
D)
therefore

Answers

Answer:

D.

Explanation:

only on the DNA, which populations do you think live in closer proximity to each other? What do you ...

Answers

Answer:

Explanation: I think the Kalahari, Zimbabwe, Zembia and Umfolozi prides all live in close proximity because the DNA is similar and their letters are similar to each other.

1 What is the position of the earth, moon, and sun during a full moon? moon is between the sun and Earth moon is to the side of Earth and the sun sun is between Earth and the moon Earth is between the sun and the moon

Answers

Answer:

Earth is between the sun and the moon

Explanation:

A full Moon occurs when the Moon has moved in its orbit so that Earth is “between” the Moon and the Sun. Between the new and full Moon, the amount of Moon we see grows — or waxes from its right side toward its left side.

Answer:

Earth is between the sun and the moon

Explanation:

i took the test earlier today

Which cell organelles are involved in the production of proteins?

Answers

Answer:

Ribosomes and Endoplasmic Reticulum

Explanation:

Ribosomes are the organelles responsible for protein translation and are composed of ribosomal RNA and proteins. Some ribosomes are found in the cytoplasm, a gel-like substance that organelles float in and some are found in the rough endoplasmic reticulum.

Answer:

Ribosomes and Endoplasmic Reticulum

Explanation:

In light of the pandemic we are living through, do you think vaccinations should be mandatory?

Answers

Answer:

Yes, vaccination should be mandatory because without it all of us would slowly died from not having a cure. According to research people, they said; "vaccination will helps you to stay healthy. It also are important to your overall health such as diet and exercise."

Explanation:

what is an example of a psuedoscience?

Answers

Answer: 2012 Doomsday Scare - Expected that 2012 would bring large-scale disasters or even the end of the world

Ancient Aliens - Proposes that aliens have visited Earth in the past and influenced our civilization

Apollo Moon Landing Hoax - Contends the original moon landing was faked

Astrology - Believes that humans are affected by the position of celestial bodies

Crop Circles - Believes patterns that mysteriously appear on farmland are made by aliens

Face on Mars - Posits that a rock formation on Mars resembles a face and is evidence of life there

Explanation: Pseudoscience consists of statements, beliefs, or practices that are claimed to be both scientific and factual but are incompatible with the scientific method.

Telling someone’s future, palm reading, basically anything that doesn’t have enough evidence to support that it’s true.

common disorder of the ear​

Answers

Answer:

an inflammation of the inner ear caused by a bacteria or virus that causes fluid to accumulate behind the eardrum. It is not serious if treated correctly and does not return repeatedly.

Otosclerosis: the abnormal growth of the small bones in the middle ear.

Explanation:

just look it up :)

Why do silver and copper have similar properties?
State your claim. Make sure your claim fully explains how two different materials can have similar properties.
Summarize the evidence you have gathered to support your claim and explain your reasoning. Type your response below and click submit in Schoology.

Answers

Answer:

These metals, especially silver, have unusual properties that make them essential for industrial applications outside of their monetary or decorative value. They are all excellent conductors of electricity. The most conductive (by volume) of all metals are silver, copper and gold in that order. Silver is also the most thermally conductive element, and the most light reflecting element. Silver also has the unusual property that the tarnish that forms on silver is still highly electrically conductive.

Copper is used extensively in electrical wiring and circuitry. Gold contacts are sometimes found in precision equipment for their ability to remain corrosion-free. Silver is used widely in mission-critical applications as electrical contacts, and is also used in photography (because silver nitrate reverts to metal on exposure to light), agriculture, medicine, audiophile and scientific applications.

Gold, silver, and copper are quite soft metals and so are easily damaged in daily use as coins. Precious metal may also be easily abraded and worn away through use. In their numismatic functions these metals must be alloyed with other metals to afford coins greater durability. The alloying with other metals makes the resulting coins harder, less likely to become deformed and more resistant to wear.

Explanation:

Where can the process of ketolysis occur?

Answers

Answer:

The precursors of ketone bodies include fatty acids from adipose tissue or the diet and ketogenic amino acids. The formation of ketone bodies occurs via ketogenesis in the mitochondrial matrix of liver cells.

Explanation:

Ketosis is a process that happens when your body doesn't have enough carbohydrates to burn for energy. Instead, it burns fat and makes things called ketones, which it can use for fuel


Ketogenesis occurs primarily in the mitochondria of liver cells. Fatty acids are brought into the mitochondria via carnitine palmitoyltransferase (CPT-1) and then broken down into acetyl CoA via beta-oxidation.

Question: 34 of 80 ID: 15140 L1 Mark Corals are skeletons of polyps. A. Yes B. o No​

Answers

Answer:

No

Explanation:

Corals are not skeletons of polymors .

They are made of calcium carbonate.Which has chemical formula CaCO3

Answer:

A. Yes

Explanation:

Yes, corals are made of thousands of polyps. Each polyp has a hard outer skeleton. They attach together to form corals.

When writing a hypothesis, what type
of statement does it need to be?
A. if and then statement
B. conclusion of what happens
C. reason of liking the science subject
D. data statement

Answers

Answer: A is the answer

Explanation: After you carry out the experiment you will see if your hypothesis was correct.

Hope this helps.

There was a time of great destruction on the earth.

I'll mark brainliest

Answers

Answer:

True

Explanation:

It was when humans were being sinful and God sent the flood to destroy the earth. Please remember to mark Brainliest!

Why is DNA replication significant for maintaining genetic stability

Answers

The information stored in the DNA is essential for life. If a cell dies the body must replace that cell. The only way to replace the cells is to first copy the information that the cell contained. There is a complex system of proteins and enzymes that unravel the DNA double helix so that the DNA can be copied.

Which is the correct answer?
Ty

Answers

Answer:

a

Explanation:

because of the answer t b

The correct Answer is A

How do skeletal muscles work? please hurry and im giving brainliest to answer with the most explanation :3

Answers

Answer:

Skeletal muscles provide movement to your body and are connected to your bones. They are voluntary, meaning you can control them.

Antibodies are an example of a __________ protein structure, with ________ bonds between the individual protein subunits facilitating their binding into the final molecular structure.

Answers

Protective, pathogen's proteins or antigens,

Select from the drop-down menu to correctly complete the statement.
If an organism has more specialized cells, its cells ________

A. can survive on their own

B. have their own function

C. are all the same

D. do not have any function

Answers

Answer: B. Have their own function

Explanation:

Cells that perform a specific function in an organism are specialized. I also had the K12 test.

If an organism has more specialized cells, its cells B. have their own function.

Specialized cells are the cells that makeup tissues and make up the system that work together in our bodies.

Some examples of specialized cells that we've in our body include blood cells, nerve cells, and the reproductive cells. It should be noted that specialized cells have their own specific functions.

Therefore, when an organism has more specialized cells, its cells have their own function.

Read related link on:

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Meaning of invertebrate and vertebrate​

Answers

Answer:

Vertebrate:spine Invertebrate:no spine

Explanation:

Answer:

Invertebrates are animals that do not have backbones. 95%-97% of the members of the animal kingdom are invertebrates such as sponges, jellyfishes, squids, and roundworms.

Vertebrates, on the other hand, are animals with a backbone or a vertebral column and are composed of six groups: mammals, birds, reptiles, amphibians, and fishes. Humans are members of the vertebrates family too but are sometimes exempted from the list when the discussion leans towards animals.

Recall the skills that scientist use;describe some characteristics of living things

Answers

Answer:

scientists use the skills of observing qualities, measuring quantities, classifying, predicting, experimenting and communicating, Some characteristics of living things would be environment reproduction growth and development regulation and energy processing

⚠️‼️ URGENT! ‼️⚠️
Do animals help A. Pollinate or B. Fertilize by the action of eating flowers and spreading seeds

Answers

Answer:

pollinate

Explanation:

fertilization occurs after pollination

Someone please help me with this question I’m confused

Answers

Answer:

The answer would be "Does the organism perform photosynthesis?," as fungi lack the presence of chloroplasts—an organelle vital for photosynthesis to occur.

What is the cells of biology

Answers

Explanation:

Cell is the basic unit of life. group of cells form tissue and group of tissue form an organ.

have a nice day :)

Name the earth system that contains the lithosphere.

a.
Atmosphere

b.
Cryosphere

c.
Hydrogen

d.
Geosphere

Answers

Answer:

Geosphere

Explanation:

the geosphere contains the rocks that make up the earth, and the lithosphere contains rocks :)


Match the correct system with the correct functions.

This system is responsible
for fighting disease.
1
2
3

This is the largest organ of
the body that provides a
protective layer
1
2
3

This is responsible for
regulating your growth and
development
1
2
3

This system plays a major
role in maintaining homeostasis of your body through the use of hormones
1
2
3

1. Endocrine System
2. Immune System
3. Integumentary System

Answers

Answer:

immune system

integumentary system

endocrine system

endocrine system

Explanation:

The immune system fights disease. The integumentary system is your skin (largest organ of the body). The endocrine system releases hormones responsible for growth and development. The endocrine system also helps maintain homeostasis.

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