Multiple Choice
In translation (Central Dogma), how many mRNA codons specify one amino acid in a growing polypeptide chain?
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1. Introduction to Biochemistry
Central Dogma
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In the context of the central dogma, which statement correctly describes the relationship between a codon and an amino acid during translation?
A
A codon is a three-nucleotide sequence in mRNA that specifies a particular amino acid (or a stop signal) during protein synthesis.
B
A codon is a three-amino-acid sequence in a polypeptide that specifies a particular mRNA nucleotide.
C
A codon is a sequence of three nucleotides in DNA that directly binds an amino acid without the need for RNA.
D
A codon is a single nucleotide in tRNA that determines which amino acid is added to the growing polypeptide.
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