Diffusion Through A Membrane

Front

What is the jelly-like fluid in the cell that is mostly water?

Back

Cytoplasm

Front

What cellular structure does diffusion occur across?

Back

Cell membrane

Front

What color does the Glucose indicator turn when it comes in contact with Glucose?

Back

Green

Front

Why might a macromolecule not be able to diffuse through a membrane?

Back

It is too large to move.

Front

What is diffusion?

Back

The movement of molecules from an area of higher concentration to an area of lower concentration.

Front

What is osmosis?

Back

The diffusion of water across a selectively permeable membrane.

Front

What happens to a plant cell in a hypertonic solution?

Back

It loses water and may become plasmolyzed.

Front

What is a selectively permeable membrane?

Back

A membrane that allows certain molecules to pass while blocking others.

Front

What is the role of the cell membrane?

Back

To protect the cell and regulate what enters and exits.

Front

What is the difference between passive and active transport?

Back

Passive transport does not require energy, while active transport does.