Biomolecules Ques 22
22. Which of the statements about “Denaturation” given below are correct ?
[2011 M]
(a) Denaturation of proteins causes loss of secondary and tertiary structures of the protein.
(b) Denturation leads to the conversion of double strand of DNA into single strand
(c) Denaturation affects primary strucrture which gets distorted
(a) (b) and (c)
(b) (a) and (c)
(c) (a) and (b)
(d) (a), (b) and (c)
Show Answer
Answer:
Correct Answer: 22.(c)
Solution:
(c) When the proteins are subjected to the action of heat, mineral acids or alkali, the water soluble form of globular protein changes to water insoluble fibrous protein. This is called denaturation of proteins. During denaturation, secondary and tertiary structures of protein destroyed but primary structures remains intact.
BETA
