Enzymes are biological substances that catalyse chemical
reactions and they regulate the rate at which chemical reactions peoceed
without itself being altered in the process. However, enzymes act on the molecules
called substrate and thereby convert them different molecules known as
products.
Semen is produced by three critical accessory glands of the male reproductive system: <u> the seminal vesicles, the prostate, and the bulbourethral glands.</u>
Explanation:
Currently in reproductive class, so I study plenty and this is the answer