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Elina [12.6K]
4 years ago
14

Why do scientists think that RNA may have evolved before DNA?

Biology
1 answer:
Sidana [21]4 years ago
6 0

Answer:

RNA was the first molecule of heredity before DNA came onto the scene.

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Picture below explains it
Nookie1986 [14]

Answer:

I think its Unlikely

Explanation:

have you ever had a pet fish,band when you replace the water with clean water, the fish just decides to croak.

anyways, my reasoning is that the level of salt, and the difference in food sources will cause the freshwater animal to have a pretty rough life.

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I need help with this questions pls. Thank you
uysha [10]
I believe it’s B. DNA is a polymer made of nucleotide monomers
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Answer:

?

Explanation:

7 0
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Bacteria live in a variety of locations one of which is the human mouth. Which explanation supports the wide variety of bacteria
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Calcium in the teeth provides appropriate pH levels in the mouth.
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