Full 2L QBank
Biochemistry General 669bcdea

What will happens to structure of alpha-helix if L-alanine is replaced by d-alanine alternatively

A
Change in optical activity
B
Interruption of structure
C
Increased stereoisomerism
D
Increased stability
High-Yield Explanation
Ans. is 'b' i.e., Interruption of structureD-amino acid would interrupts an a-helix made of L-amino acid.D-amino acid substitution in a-helix causes a local change in structure and flexibility at the substituted site, which leads to destabilization

Related Biochemistry MCQs

Practice 2,00,000+ NEET PG Questions Free

Timed mock tests, mistake queue analytics, audio lectures & zero attempt limits on i❤️Exams.

Start Free Mock Test Now