Molecular-Basis-Of-Inheritance Question 224
Question: During elongation of polypeptide chain, sigma factor is:
Options:
A) Functionless.
B) Retained for specific function.
C) Released for re-use.
D) Required during closing of chain.
Show Answer
Answer:
Correct Answer: A
Solution:
[a] The function of sigma factor is to confer the specificity of RNA synthesis at the promoter site.
But during elongation of polypeptide chain, sigma factor is functionless.