What variables increased the rate of facilitated

1. What variable(s) increased the rate of facilitated diffusion of glucose?
2. For facilitated diffusion, increasing the concentration of glucose on one side of the membrane is the same as
You correctly answered: b. making the concentration gradient steeper
3. When all of the membrane carriers are engaged, or busy, we say they are
You correctly answered: a. saturated.
4. Na+ Cl- had no effect on glucose transport because
You correctly answered: b. sodium is not required for glucose transport in the simulation.

01/22/15 page 4
Review Sheet Results
1. Explain one way in which facilitated diffusion is the same as simple diffusion and one way in which it is different from
simple diffusion.
Your answer: