How many different codon combinations are there?

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Multiple Choice

How many different codon combinations are there?

Explanation:
Codons are three-nucleotide sequences, and each position can be one of four nucleotides (A, U, G, C). So the total number of possible codons is 4 × 4 × 4 = 64. This includes all codons, of which three are stop signals and the rest (61) code for amino acids. The question asks for the total number of codon combinations, which is 64.

Codons are three-nucleotide sequences, and each position can be one of four nucleotides (A, U, G, C). So the total number of possible codons is 4 × 4 × 4 = 64. This includes all codons, of which three are stop signals and the rest (61) code for amino acids. The question asks for the total number of codon combinations, which is 64.

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