Molecular Basis of Inheritance Question 68
68. Which one of the following pairs of codons is correctly matched with their function or the signal for the particular amino acid?
[2008]
(a) GUU, GCU-Alanine
(b) UAG, UGA-Stop
(c) AUG, ACG-Start/Methionine
(d) UUA, UCA-Leucine
Show Answer
Answer : b
Hints & Solution
(b) GCU indicates alanine but GUU indicates valine. Stop codons are UAG, UGA and UAA AUG is the most common start codon which codes for methionine. UUA indicates leucine but UCA indicates serine.
