Author Question: Which of the following describes selective permeability? a. Ions can only travel in certain ... (Read 109 times)

Garrulous · **on:** Jun 22, 2018

Which of the following describes selective permeability?

a. Ions can only travel in certain directions across the membrane.
b. Only certain molecules are allowed to cross the membrane freely.
c. Only certain types of stimulation will result in an action potential.
d. All molecules must pass through designated channels.

Question 2

The paraventricular nucleus normally inhibits meal size.

a. True
b. False
Indicate whether the statement is true or false