In a biological reaction involving an enzyme, the substrate binds to- a.) the active site of an enzyme b.) the active site of another substrate c.) the inactive site of an enzyme d.) the inactive site of another substrate

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

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?

Which of the following is not considered an appendage of the skin? nails glands follicles none of the above