Question

part 3 of 3
a semipermeable membrane can be ____. note: select all that apply.
□ synthetic (a thin film)
□ biological (a cell membrane)

Explanation:

A semipermeable membrane can be synthetic (like a thin film used in experiments or filtration systems) and also biological (such as a cell membrane which regulates the movement of substances in and out of the cell). So both options are correct.

Answer:

A. synthetic (a thin film)
B. biological (a cell membrane)