Cell Transport

Front

"Osmosis" is the movement of which substance across the membrane?

Back

water

Front

Which of the following is TRUE about active transport?

• it requires energy
• it does not require energy
• It moves substances down their concentration gradient.
• It moves substances from a high to a low concentration.

Back

it requires energy

Front

What type of transport describes the movement of oxygen into cells without the use of energy?

Back

simple diffusion

Front

Which cell structure helps organisms maintain homeostasis by controlling what substances may enter or leave cells?

Back

cell membrane

Front

What is NOT found in passive transport? Options: concentration gradient, osmosis, motion, energy

Back

energy

Front

The picture shows molecules moving into a cell through a protein channel.

What type of transport is shown?

Options: Facilitated diffusion, Active transport, Diffusion, Osmosis

Back

Facilitated diffusion

Front

What is represented by letter D in the cell membrane diagram?

Back

Channel Protein

Front

The Cell Membrane is shown. What is represented by letters C and E in the diagram?

Back

Lipids

Front

Movement of molecules AGAINST their concentration gradient: Simple diffusion, Facilitated diffusion, Active transport, Osmosis

Back

Active transport

Front

In which direction would water move through the semipermeable membrane separating sides A and B?

Back

From B to A