Can some help me out

Which statement is true about the cell theory? a) it is well-supported by evidence. b) it is unchangeable and permanent.

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

Drag each label to the correct location. each label can be moved more than once match the properties with the subatomic particle