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Nesterboy [21]
3 years ago
8

What is the envelope of gas that surrounds Earth?

Biology
1 answer:
Sonja [21]3 years ago
5 0

Answer:

a-atmosphere

Explanation:

atmosphere is a body of gases located on a planet or other materials

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Describe how the artificial heart is different from a normal heart?
borishaifa [10]

Answer:

An artificial heart is a prosthetic device that is implanted into the body to replace the original biological heart. It is distinct from a cardiac pump, which is an external device used to provide the functions of both the heart and the lungs. Thus, the cardiac pump need not be connected to both blood circuits.

Explanation:

8 0
3 years ago
The allosteric inhibitory effector BPG binds to both the A form and the F form. Both forms show a lower affinity for O2 in the p
Dmitry [639]

Answer:

HbA; lowers

Explanation:

The BPG in our blood stands for Bisphosphoglyceric acid. It is known as by its name as 2,3-Bisphosphoglyceric acid. It is present in our blood in the red blood cells. It binds with more affinity towards the de-oxygenated hemoglobin as compared to the  oxygenated hemoglobin.

Hemoglobin in blood delivers oxygen to our tissues moire efficiently. It is abbreviated as Hb.

Thus BPG binds more tightly towards HbA or adult hemoblobin and which lowers the affinity for oxygen.

5 0
3 years ago
Which drugs appear to produce therapeutic effects by blocking receptor sites for dopamine?
Tems11 [23]
The correct answer is c.antipsychotic drugs.
<span>Drugs that block dopamine receptor sites are dopamine antagonist (antidopaminergic). Dopamine antagonists are a type of drugs which blocks dopamine receptors by receptor antagonism. Those antagonists are used as antipsychotics, so they have found use in treating schizophrenia, bipolar disorder, and stimulant psychosis. Also, they can be antiemetics used in the treatment of nausea and vomiting or used as <span>anti-depressants.</span></span>
3 0
3 years ago
Read 2 more answers
4. What kind of functions can a plant cell perform that an animal cell cannot? Explain.​
inysia [295]

Answer:

Photosynthesis

Explanation:

3 0
3 years ago
Although the Sun is much larger than the Moon, it does not exert as much gravitational pull
dexar [7]

Answer:

The Sun, just like the Moon and the Earth, also has its own gravity which can affect the tides. Although the Sun is much larger than the Moon and has more gravity, it's also much further away, meaning its pull on the tides is less than half as strong as the Moon's. It still does have an effect, though.

So I think its B

Explanation:

6 0
3 years ago
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