Answer:
The correct option is: e. molecules move across the plasma membrane against their concentration gradient
Explanation:
Active transport refers to the <u>movement of the particles or molecules from higher concentration to lower concentration, across the plasma membrane of a cell.</u> This transport requires cellular energy as the movement of the molecules is <u>against the concentration gradient</u>.
Active transport can be divided into primary and secondary active transport.
Biotic because abioctic is <span>physical rather than biological; not derived from living organisms.</span>
It’s D: it becomes thinner and increases the size of aircells
False I took the test and I got it right hope it helps
