Multiple Choice
In the context of the central dogma, which cellular structures are the sites of protein synthesis?
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1. Introduction to Biochemistry
Central Dogma
Multiple Choice
In the context of the central dogma, what amino acid is specified by the mRNA codon ?
A
Leucine (Leu)
B
Tryptophan (Trp)
C
Methionine (Met)
D
Valine (Val)
Verified step by step guidance1
Understand that the central dogma of molecular biology describes the flow of genetic information from DNA to RNA to protein, where mRNA codons specify particular amino acids during translation.
Recall that an mRNA codon is a sequence of three nucleotides that corresponds to a specific amino acid or a stop signal during protein synthesis.
Identify the given mRNA codon as AUG, which is a well-known start codon in the genetic code.
Recognize that the AUG codon not only signals the start of translation but also codes for the amino acid methionine (Met).
Conclude that the amino acid specified by the mRNA codon AUG is methionine, which initiates protein synthesis in eukaryotes and archaea.
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