The cell membrane
A.
converts glucose to other energy molecules.
B.
controls which substances enter and exit the cell.
C.
is the site of most cellular chemical reactions.
D.
alters and packages proteins and lipids.

Compare the parts of a cell and the cell as a whole to another common nonliving system (i. e., a car, a city, describe the parts of a cell and their primary function.

Science which of the following is an example of a cyclic behavior that is seasonal? i think the answer is d, i just need to double check : ). a. running from predators. b. searching for water. c. hunting at night. d. migrating for warmth. ***

What household products contain algae?