Multiple Choice
Protein coding genes are composed of multiple codons, sequences of three nucleotides that each code for a specific amino acid. Given that multiple codons may encode a single amino acid, which of the following nucleotide substitutions in a codon would be LEAST likely to affect protein structure?
A) Substitution of the nucleotide in the first position of a codon
B) Substitution of the nucleotide in the second position of a codon
C) Substitution of the nucleotide in the third position of a codon
D) Substitution of any one nucleotide within a codon has an equal probability of affecting protein structure.
Correct Answer:
Verified
Correct Answer:
Verified
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