Question

What characteristics of the molecules being transported determines how they will cross the membrane?

A. Size and mass

B. Passive or active

C. Polarity and size

D. Charge and structure

Answer 1

C. Polarity and size

Step-by-step explanation:

Three primary factors determine whether a molecule will diffuse across a cell membrane: concentration, charge and size.

Answer 2

C. Polarity and size

Step-by-step explanation:

The polarity and size of the molecules being transported determines, how they will cross the membrane.