Question

Which of the following is a function of membranes?

1) compartmentalization
2) selectively permeable barrier
3) mediates intercellular interactions
4) helps cells respond to external stimuli
5) all of the above

Answer 1

The cell membrane has functions such as compartmentalization, selective permeability, intercellular interactions, and response to external stimuli. Hence the correct answer is option 5

Step-by-step explanation:

The cell membrane, also known as the plasma membrane, has several important functions. First, it acts as a selectively permeable barrier, allowing some substances to freely enter or leave the cell while restricting others. Second, the membrane aids in compartmentalization by defining the borders of the cell and separating its internal components from the external environment. Third, it mediates intercellular interactions by carrying markers that allow cells to recognize and communicate with each other. Lastly, the membrane helps cells respond to external stimuli by allowing the movement of signaling molecules into the cell.

Hence the correct answer is option 5