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
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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