Answer:
A. active transport
Explanation:
active transport is the movement of a substance across a membrane against its concentration gradient.
hope it helps you
I’m not sure but I think it’s A or C
Answer:
a. allow a variety of molecules to cross the cytoplasmic membrane
Explanation:
The cells have different molecules in its membrane. As a membrane the main function of it is to regulate the income and outcome of substances that the cell needs or the cell has like some wastes.
Some of these molecules can be some proteins like the permeases, that is going to regulate the solutes that can enter the cell, but since they are non specific, that means that can not make the difference among one carbohydrate and another (as an example).
Answer:
F stands for feather R stands for red and W stands for white.
Explanation:
