Botany-Cell Membrane
NEET Botany Cell Membrane MCQ Question
Type: MCQ-conceptual-Medium-Class 11
Which of the following statements about the cell membrane is correct?
A
The fluid mosaic model describes the lateral movement of proteins within the lipid bilayer.
B
The cell membrane is completely impermeable to all types of molecules.
C
The cell membrane consists of a rigid structure that does not allow for flexibility.
D
The fluidity of the cell membrane is not important for cellular functions.
Correct Answer
Option A
Detailed Explanation
The fluid mosaic model proposed by Singer and Nicolson highlights that the lipid bilayer's quasi-fluid nature allows proteins to move laterally, which is crucial for various cellular functions. This contrasts with options B, C, and D, which misrepresent the characteristics of the cell membrane.
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