Author Question: Photoreceptors a. are hyperpolarized in the dark and depolarized by light. b. are depolarized in ... (Read 38 times)

DyllonKazuo · **on:** Jun 21, 2018

Photoreceptors

a. are hyperpolarized in the dark and depolarized by light.
b. are depolarized in the dark and hyperpolarized by light.
c. produce action potentials in response to being in the dark.
d. experience no refractory periods in response to light.

Question 2

A particular value defended by a regulatory system, such as body weight or core temperature, is known as

a. motivation.
b. a set point.
c. homeostasis.
d. drive.