Welcome to the Quiz!
This quiz contains 12 questions from a mix of 1 subtopics.
In which direction will diffusion take place between area A and area B?
from area A to area B
from area B to area A
|
Diffusion is the net movement of particles from an area of concentration to an area of concentration.
|
In which of the following states can molecules diffuse?
(Select all that apply)
gas
solid
liquid
|
The process in which molecules diffuse directly across cell membranes is known as diffusion.
|
Name 2 examples of molecules that cross cell membranes via simple diffusion.
|
How do large, polar molecules cross cell membranes?
simple diffusion
facilitated diffusion
|
Facilitated diffusion involves carrier and channel .
|
During facilitated diffusion, which component of the cell membrane do large molecules bind to?
channel proteins
cholesterol
phospholipids
carrier proteins
|
Which type of molecule do channel proteins transport?
|
List three factors that affect the rate of diffusion.
|
Will a larger surface area increase or decrease the rate of diffusion?
increase
decrease
|
Why does a higher temperature increase the rate of diffusion?
|