Asked by Lauren

Hormones are _____?

a) produced only in response to environmental stress
b) are all under the control of the pituitary gland
c) signals that must interact with DNA in order to be effective
d) always proteins

I feel like it is b) because hormone receptors are always proteins, but I am not quite sure.
Answered by Steven
yes its hard to pick between b and d.
Answered by Steven
your welcome
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