Cells Test Review

Front

What is diffusion?

Back

Diffusion is the movement of molecules from an area of higher concentration to an area of lower concentration until equilibrium is reached.

Front

What is osmosis?

Back

Osmosis is the diffusion of water molecules through a selectively permeable membrane from an area of lower solute concentration to an area of higher solute concentration.

Front

Where does cellular respiration take place?

Back

Cellular respiration takes place in the mitochondria.

Front

What is the function of the cell membrane?

Back

The cell membrane controls what enters and leaves the cell, maintaining homeostasis.

Front

What is cytoplasm?

Back

Cytoplasm is the fluid inside a cell that contains organelles and is the site of many metabolic processes.

Front

What is a vacuole?

Back

A vacuole is a storage organelle in cells; plant cells typically have a large central vacuole that stores water and nutrients.

Front

What is the difference between plant and animal cells regarding vacuoles?

Back

Plant cells have a large vacuole, while animal cells have smaller vacuoles.

Front

What is the role of mitochondria?

Back

Mitochondria are known as the powerhouse of the cell; they generate energy through cellular respiration.

Front

What is the nucleus?

Back

The nucleus is the control center of the cell that contains genetic material (DNA) and regulates cell activities.

Front

What is the cell wall?

Back

The cell wall is a rigid outer layer found in plant cells that provides structure and protection.