Select the correct statements regarding cell membrane in eukaryotic cell. Choose the correct answer from the options given below:
- C, D and E only
- B, C and E only
- A, B and D only
- A, C and E only
Answer
(3) A, B and D only
Solution
A is correct: the human RBC membrane has about 52% protein and 40% lipid.
B and D are correct: lipids form a bilayer with polar heads outside and hydrophobic tails inside, away from water.
C is incorrect: mesosomes are infoldings of the membrane in prokaryotes, not eukaryotes.
E is incorrect: in NCERT the glycocalyx is described as the outermost layer of the bacterial cell envelope, not of the eukaryotic plasma membrane.
Correct: A, B and D.
Answer: (3)