Assertion : Lipids present in the outer and inner side of the bil…

MCQ

Assertion : Lipids present in the outer and inner side of the bilayer membrane are commonly different.
Reason : Oligosaccharides are attached to external surface as well as inner surface of a biomembrane.

A
If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
B
If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
✓
If the Assertion is correct but Reason is incorrect.
D
If both the Assertion and Reason are incorrect.

✓

Answer

Correct option: C.

If the Assertion is correct but Reason is incorrect.

c
Lipids present in the outer and inner side of the bilayer are commonly different, e.g., lecithin on the outer side and cephalin on the inner side of erythrocyte membrane. Oligosaccoharides are attached to external surface of lipids and proteins of a bio-membrane. They are absent on the inner side.