What process requires energy to move substances against their concentration gradient?

What is the name for the type of transport that moves water across a membrane?

What happens when a plant cell is placed in a hypertonic solution?

What type of membrane allows osmosis to occur?

What will happen to red blood cells placed in a hypotonic solution?

Which of the following factors DO NOT increase the rate of diffusion in biology?

How does a root hair cell absorb minerals?

What is the advantage of active transport in root hair cells?

Which of the following factors affect the rate of diffusion in the lungs?

Which of the following organisms would have a higher surface area to volume ratio?