Cell Biology Review

Front

What organelle is responsible for digesting dead cell parts and contains enzymes?

Back

Lysosome

Front

In passive diffusion, substances always move from an area of __________ concentration to an area of __________ concentration.

Back

Higher; lower

Front

What term describes a solution that has the same concentration of solutes as the cell?

Back

Isotonic

Front

Define facilitated diffusion.

Back

Movement of molecules across the cell membrane from an area of high concentration to low concentration with the help of transport proteins.

Tags

NGSS.HS-LS2-3

Front

What is a characteristic shared by both eukaryotic and prokaryotic cells?

Back

Ribosomes

Front

What is the primary function of ribosomes in a cell?

Back

To synthesize proteins.

Front

What is the difference between passive and active transport?

Back

Passive transport does not require energy, while active transport requires energy to move substances against their concentration gradient.

Front

What is osmosis?

Back

The diffusion of water across a selectively permeable membrane.

Front

What happens to a cell in a hypertonic solution?

Back

The cell will lose water and shrink.

Front

What is the role of the cell membrane?

Back

To protect the cell and regulate what enters and leaves the cell.