Cell The Unit Of Life Question 79
Question: According to Danielli and Davson, the phospholipid bilayer is covered on either side by:
(i) Hydrated globular proteins (ii) a-globular proteins (iii) (3-globular proteins (iv) Only spectrin protein with sialic acid
Options:
A) (i) and (ii)
B) (ii) and (iii)
C) (iii) and (iv)
D) (i) and (iv)
Show Answer
Answer:
Correct Answer: A
Solution:
[a] Danielli and Davson says that biomembrane contains four molecular layers, two of phospholipid and two of proteins.
Phospholipid form a double bilayer.
The phospholipid bilayer is covered on either side by a layer of hydrated globular or a-protein molecules.
BETA
