I think it is A but not 100% sure. Think of an enzyme like a key unlock the lock is the protein. And to activate getting inside your car or house you have to fit the key into the lock.
Answer:
Activates or suppresses
Explanation:
The hormonal system or the endocrine system involves chemical systems where feedback loops of hormones are released directly into the circulatory system by internal glands.
It involves the interaction between the hypothalamus, pituitary glands and sex glands.
Release of hormones is dependent of signalling therefore behaviors such as stress, eating patterns and tension can activate or suppress various aspects of the hormonal system.
<em>I no see table but uh both a and b are "Space Object" so you only have C Composition rocks...???</em>
