Biomolecules Question 126

Question: How many pairs in the gene are needed to code for the enzyme, lysozyme, containing 129 amino acids found in egg white-

Options:

A) $ 3\times 129 $ base pairs

B) $ ( 3\times 129 )+( 3\times 3 )=396 $ base pairs

C) $ ( 3\times 129 )+( 3\times 2 )=393 $ base pairs

D) 4 $ \times $ 129 base pairs

Show Answer

Answer:

Correct Answer: C

Solution:

[c] Three base pairs code for one amino acid and two more triplets are required for start and stop signals.
$ \therefore (3\times 129)+(3\times 2)=393 $ base pairs