1)activators and inhibitors regulate

2)homeostasis can occur at the cellular level or the system level. true or false

They help regulate enzyme activity. Sorry, don't know question 2, but I believe it is true. 

1. Activators and inhibitors help regulate enzyme activity. I hope that this answer has come to your help.

2. It is a true fact that homeostasis can occur at the cellular level or the system level. The correct option among the two options that are given in the question is the first option.

Ur very welcome for