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aleksley [76]
3 years ago
10

Can I get help by this word riddle please!

Biology
2 answers:
ahrayia [7]3 years ago
8 0
1 across is capillary
Nat2105 [25]3 years ago
4 0
2. cardiovascular system
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Answer:

Answer is C.

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For A and B, a base substitution affects one of the three bases that comprise a codon, the DNA/RNA unit that corresponds to a particular amino acid. If one base is substituted, one codon and therefore one amino acid will be affected. Codons have built-in redundancy, so even by changing one base, the new codon sometimes still corresponds to the same amino acid. Therefore, a base substitution at most affects one amino acid, and sometimes doesn't affect it all.

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