The diagram above represents a cell structure involved in converting energy stored in organic molecules into a form used by animal cells. The arrows represent the movement of which substances?

Which geologic feature would most likely be represented by contour lines john far apart from one another? a cliff a hill a plain a valley

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

As a small change in a person's dna can cause a genetic disorder