M Prep | MCAT 2015 Question of the Day - Prep, Practice Questions, and More!

Q:

A particular amoeba utilizes a sodium-potassium transporter in order to maintain its intracellular ion concentrations. It is found that the pump has identical dynamics as the pump used in neurons of the human body. Extracellular concentration of sodium increases in the environment of the amoeba. Which of the following is likely to occur?

A

The pump will increase in activity

B

The pump will decrease in activity

C

The pump will keep the same activity

D

Not enough information provided