Q.

Statement I: The codon ‘AUG’ codes for methionine and phenylalanine.                                         [2021]
Statement II: ‘AAA’ and ‘AAG’ both codons code for the amino acid lysine.
In the light of the above statements, choose the correct answer from the options given below.

1

Statement I is incorrect but Statement II is true.

 

2

Both Statement I and Statement II are true.

 

3

Both Statement I and Statement II are false.

 

4

Statement I is correct but Statement II is false.

 


Ans.

(1)

The codon ‘AUG’ codes for methionine only and it act as an initiator codon. The codon ‘UUU’ and ‘UUC’ code for phenylalanine. ‘AAA’ and ‘AAG’ both codons code for the amino acid lysine.