What controls the cell's activities? a. dna b. rna c. protein d. allele

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

How does friction with the atmosphere affect the speed of an artificial satellite

Hybrid instruments that play sounds that are part sampled and part synthesized are known as: