Cellular Transport - Jenn Fitzgerald | Library

1

Which of the following is not a factor that affects the rate of diffusion?

1

How would you expect oxygen molecules to move if more oxygen molecules were outside of a cell.

2

After some important cellular processes, there is an abundance of Carbon Dioxide molecules inside a cell, and not enough outside of the cell. Carbon Dioxide molecules would __________ because there is a __________ concentration outside the cell than inside the cell. 

1

A molecule that is important for cell functioning cannot diffuse through the plasma membrane, but needs a protein that can open and close to allow the molecule to diffuse. What is this protein called?

1

A molecule needs to enter into the cell but cannot go through the plasma membrane because of its polarity. However, the molecule can bind to a __________ protein and the protein changes shape to allow the particle to move through the membrane. 