Practicing Success

Target Exam

CUET

Subject

Biology

Chapter

Molecular Basis of Inheritance

Question:

"AUG"codon is an_________.

Options:

Amber

Initiation codon

Termination codon

None of these

Correct Answer:

Initiation codon

Explanation:
  • "AUG" is the most common start/initiation codon. AUG has dual functions. It codes for Methionine (met) , and it also act as initiator codon.The start codon specifies the first codon of mRNA transcript that is translated by a ribosome. This is the codon which is present as the first codon in the mRNA.
  • UAA, UAG, UGA are stop terminator codons