Biology

The correct answer is: C.Lipids and proteins can move laterally within the membrane

According to the fluid mosaic model, the cell membrane is a dynamic structure where both lipids and proteins can move laterally within the bilayer. This fluidity allows the membrane to be flexible and enables various membrane functions like signal transduction, transport, and interaction with the environment.

Here's why the other options are not true:

A.The lipid bilayer is rigid and fixed in place: This is incorrect. The bilayer is fluid, meaning it is not rigid or fix...