What is an anticodon?
A) A part of the DNA that codes for a specific amino acid
B) The sequence of three mRNA nucleotides corresponding to a DNA codon
C) A terminal triplet of rRNA that binds a specific amino acid
D) A sequence three nucleotides transcribed from the mRNA and translated by rRNA
E) The sequence of three nucleotides found on the tRNA corresponding to a codon on the mRNA.
IMAT 2024 · Question 21
Q21 - The genetic code
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The correct answer is E) The sequence of three nucleotides found on the tRNA corresponding to a codon on the mRNA.
An anticodon is three bases on a tRNA that pair with a codon on the mRNA. For example, the codon AUG pairs with the anticodon UAC.
B describes the codon itself, which sits on the mRNA, not the tRNA.
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