The word "fluid" in the term fluid mosaic model refers to the fact that
A) membranes are a patchwork of lipids and proteins.
B) membranes are selectively permeable.
C) the proteins within a membrane move around freely.
D) the membrane assembles and disassembles as necessary for cell function.

Question

Quizplus · Accepted Answer

The word "fluid" in the fluid mosaic model refers to the ability of proteins within the membrane to move around freely, giving the membrane a fluid quality. A refers to the patchwork nature of the membrane's composition, B refers to the selective permeability of the membrane, and D implies a level of assembly and disassembly that is not consistent with the fluidity of the model.

The Word "Fluid" in the Term Fluid Mosaic Model Refers