#Question id: 2068
#Unit 2. Cellular Organization
Which of the following molecules dramatically increases the rate of diffusion of water across cell membranes?
#Question id: 2070
#Unit 2. Cellular Organization
The sodium-potassium pump is called an electrogenic pump because it:
#Question id: 2071
#Unit 2. Cellular Organization
Diffusion of ions across membranes through specific ion channels is driven by:
#Question id: 2072
#Unit 2. Cellular Organization
Which of the following structures would decrease the electrochemical gradient across a membrane?
#Question id: 2075
#Unit 2. Cellular Organization
The force driving simple diffusion is:
#Question id: 2076
#Unit 2. Cellular Organization
An organism with a cell wall would most likely be unable to take in materials through: