Are found in nearly all eukaryotic cells; they convert the chemical energy stored in food to a usable form.
a. hypotonic
b. mitchondria
c. isotonic
d. cytoplasm

Epinephrine is a hormone released from the adrenal gland of the body, most often in a stressful situation. it is known as the "fight-or-flight" hormone. one way that it causes a response in the body is to activate receptors on muscle cells. where are these cellular receptors located? a. on the cell membrane b. in the nucleus c. on the cell wall d. around the mitochondria

Which of the following is an advantage of solar energy?

Recommend a strategy for incorporating sustainable human activity into a tropical rain forest biome.