The incorrect among the choices is "<span>direct signaling involves the activation of g proteins"
This is incorrect because direct signaling does not involve the activation of g proteins rather it involves the activation of ion channels resulting to either an excitation reaction (depolarization of the membrane) or an inhibition reaction (hyperpolarization of the membrane); and this will ultimately affect the action of the organ the nerve is innervating.</span>
QUESTION NUMBER ONE IS A AND FOR QUESTION NUMBER TWO IT IS B
Answer:Evolution is a process that results in changes in the genetic material of a population over time. So its true!
Explanation:
This is correct!
The brain stem is the answer that you are looking for
