Genetic Code

IMPORTANT

Genetic Code: Overview

This topic covers concepts such as Genetic Code, Characteristics of Genetic Code, and Wobble Hypothesis.

Important Questions on Genetic Code

EASY
IMPORTANT

Which of the following is not a salient feature of genetic code?

EASY
IMPORTANT

Which of the following codon perform dual function?

EASY
IMPORTANT

Which one of the following pairs is correctly matched with regard to the codon and the amino acid coded by it?

EASY
IMPORTANT

During protein synthesis in an organism, at one point the process comes to a halt. Select the group of the three codons from the following, from which anyone of the three could bring about this halt.

MEDIUM
IMPORTANT

Which one of the following pairs is correctly matched with regard to the codon and the amino acid coded by it?

EASY
IMPORTANT

Which one of the following codons codes for the same information as UGC?

HARD
IMPORTANT

Identify the correct statement from the following:

EASY
IMPORTANT

Identify the mismatched one.

EASY
IMPORTANT

Which of the following is not an example for degenerate codon?

EASY
IMPORTANT

Codon degeneracy means that

MEDIUM
IMPORTANT

Which of the following is/are the salient feature(s) of genetic code?

EASY
IMPORTANT

The salient feature of genetic code is that the codon is a triplet. 3 codons do not code for any amino acids, hence they function as _____ codons.

EASY
IMPORTANT

Which of the following codes for methionine and also acts as an initiator codon?

EASY
IMPORTANT

Which among the following is a dual-purpose codon?

EASY
IMPORTANT

Which of the following is a stop codon? 

MEDIUM
IMPORTANT

Which of the following is responsible for the expression of a trait? 

MEDIUM
IMPORTANT

Read the following statements and according to that, choose the suitable terms for the characteristics of 'genetic code'.
(i) One codon codes for only one amino acid.
(ii) Some amino acids are coded by more than one codon.
(iii) The sequence of triplet nitrogenous bases in DNA or mRNA corresponds to one amino acid sequence in the polypeptide chain.

EASY
IMPORTANT

Which codon codes for methionine amino acid?

EASY
IMPORTANT

The amino acid coded by 3 codons is

EASY
IMPORTANT

Polypeptide chain in eukaryotes is initiated by codons coding for amino acid