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OleMash [197]
3 years ago
7

I need help ASAP please

Biology
1 answer:
ludmilkaskok [199]3 years ago
6 0

Answer:

I believe the answer is A.

Explanation:

The main concern would be to have a source of water in a dry environment.

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Now consider a single base mutation in a codon for leucine that creates a codon for phenylalanine. A true reversion changes the
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options A, B, D and E

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phenylalanine codons include: UUU, UUC.

<u>C</u>UU          

replace C with U to give

UU<u>U</u> phenylalanine codon

replace underlined with A

UUA leucine codon

<u>C</u>UC

replace underlined with U

UU<u>C</u> phenylalanine codon

replace underlined with A or G

UUA, UUG  leucine codons

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replace underlined with U

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CUU leucine codon

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