Photoreceptors a. are hyperpolarized in the dark and ...

[DyllonKazuo]

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.

[blakcmamba]

Answer to Question 1

b

Answer to Question 2

b

[DyllonKazuo]

Thanks for the timely response, appreciate it

[Jsherida]

YES! Correct, THANKS for helping me on my review