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Elina [12.6K]
3 years ago
14

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

Biology
1 answer:
Sidana [21]3 years ago
6 0

Answer:

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

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What features do paramecia and salamanders share?
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Answer: Earthworms and gorillas. 

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Paramecia and salamanders. Ask the students to list as many features as they can think of that their two organisms have in common.

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2 years ago
Alternative energy sources _____.<br> do not use fossil fuels is the answer
trapecia [35]

Correct do not use fossil fuels is the answer


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How can an individual with a recessive genetic disorder have parents who are not afflicted?
jonny [76]
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3 years ago
If a single strand of a gene contains 726 bases, 242 amino acids will make up the polypeptide prepared from it, assuming every b
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The answer is true. During translation of mRNA, the nucleotides are read by the translation unit (ribosome and trna) in sequences of three (3). These sequences are referred to as codons. Codons code for amino acids. Some codons are start of stop codons meaning they initiate or terminate translation. Additionally, more that one codon could code for one amino acid.  






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