Lipid soluble molecules, such as alcohols, cannot diffuse through the plasma membrane. False or True.
Science questions
Question 1
Lipid soluble molecules, such as alcohols, cannot diffuse through the plasma membrane.
Select one:
- a.False
- b.True
Question 2
How do fat-soluble molecules normally get into a cell?
Select one:
- a.They pass through protein pores in the cell membrane
- b.They are absorbed by phagocytosis
- c.They dissolve in the fat layers of the membrane and enter the cell by diffusion
- d.They never get in
Question 3
The rate of diffusion of a particle across a membrane will increase if
Select one:
- a.The thickness of the membrane increases
- b.The number of protein channels increases
- c.The size of the particle increases
- d.The temperature decreases