Unit 1 exam review

Front

What is the role of the cell membrane in a cell?

Back

It acts as a barrier that regulates the movement of substances into and out of the cell.

Front

Is the plasma membrane also known as the cell membrane?

Back

True

Front

What do membrane proteins facilitate?

Back

Cell-environment interactions.

Front

What is the primary function of carbohydrates in living organisms?

Back

Providing immediate energy.

Front

What do transmembrane proteins help the cell do?

Back

Interact with its external environment.

Front

Define the term 'cell membrane'.

Back

A biological membrane that separates and protects the interior of all cells from the outside environment.

Front

What are marker proteins?

Back

Proteins that identify cells and help the immune system recognize foreign cells.

Front

What is the function of channel proteins?

Back

To allow specific molecules to pass through the cell membrane.

Front

What are receptor proteins?

Back

Proteins that receive signals from outside the cell and initiate a response.

Front

What is the function of enzymes in the cell membrane?

Back

To catalyze biochemical reactions at the cell surface.