When a hormone attaches to a receptor on the outside of the cell a second messenger mechanism is activated with results in an "enzyme cascade" which means
a. the second messenger causes the activation of many enzymes which activate even more enzymes.
b. all enzymes attached to the outside of the cell membrane fall off
c. enzymes accumulate in a mass which is then surrounded by a membrane to form a lysosome
d. once one enzyme decomposes, it causes many enzymes to decompose