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IceJOKER [234]
3 years ago
13

What chemical substance is used to power cellular activities? Protein RNA ATP DNA

Biology
2 answers:
Reptile [31]3 years ago
5 0
ATP is the chemical substance that is used to power the cellular activities
Alla [95]3 years ago
4 0

Answer:ATP

Explanation:

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It travels as fast as bullets and can hit satellites, shuttles, and the Space Station.

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2 years ago
Which characteristic differentiates amphibians from reptiles?
Stells [14]

Option D – amphibians may use their skin for gas exchange is the characteristic feature of amphibians that differs from reptiles.

Explanation:

The amphibian skin is moist, thin and marbled and supplied by blood vessels running on its surface. The moisture present in the skin dissolves the oxygen present in its surrounding which is absorbed by the blood vessels. Special glands help the amphibians to keep the skin moist.

The very thick and tough scales present on the reptiles prevent them to absorb oxygen through their skin. Hence, they breathe and respire through their lungs.

Amphibians have three-chambered heart. They do not develop amniotic eggs. Adult amphibians although spend much time on land, they breed only in water due to the absence of amniotic sac .

7 0
3 years ago
Which of the following statements concerning viruses is true?
zysi [14]

Answer:

The second statement is correct: "The "host range" for a virus is determined by the presence or absence of particular components on the surface of a host cell that are required for the virus to attach."

Explanation:

The virus attaching itself to the host cell is the first step for it to successfully infect the host. Viruses are smaller in size than bacteria, so the first statement is incorrect. The third statement is incorrect because viruses do not have the necessary machinery to carry out protein synthesis or to generate ATP, this precisely why they seek out a host to begin with. The fourth statement is false because the virus will either have DNA or RNA, but both at the same time.

Hope that answers the question, have a great day!

6 0
3 years ago
Hi I want to make sure this is right, I have a doubt on the last answer too. thank you
Alex787 [66]

Answer:

this is correct

Explanation:

because the energy gets transferred from one animal to another

5 0
2 years ago
Read 2 more answers
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