Target Exam

CUET

Subject

Biology

Chapter

Molecular Basis of Inheritance

Question:

The codons for the various amino acids are given below. Answer the question.

Identify the start codon from the following:

Options:

AUG

AUC

UAG

UGC

Correct Answer:

AUG

Explanation:

The correct answer is Option (1) → AUG

AUG is the start codon in both prokaryotes and eukaryotes. It codes for the amino acid methionine and initiates protein synthesis.

AUC codes for isoleucine.

UAG is a stop codon (one of the three stop codons: UAA, UAG, UGA).

UGC codes for cysteine.