When a neuron is at rest, what is primarily responsible for ...

[mp14]

When a neuron is at rest, what is primarily responsible for moving potassium ions into the cell?
 
  a. concentration gradient
 b. an electrical gradient
 c. the sodium-potassium pump
 d. both the sodium-potassium pump and electrical gradient

Question 2

How do amphibians and reptiles control their body temperature?
 
  a. by evolving their gene pool
 b. by shivering and sweating
 c. by changing the reflectivity of their skin
 d. by choosing an appropriate area of the environment

[yasmin]

Answer to Question 1

d

Answer to Question 2

d

[mp14]

Excellent

[mcarey591]

Gracias!