1.1 Cell Structure

1

State three structures found in plant cells but not in animal cells.

Answer

Cell wall, permanent vacuole, and chloroplasts.

2

What is the function of the mitochondria?

Answer

The site of aerobic respiration, where ATP is produced from glucose and oxygen.

3

Describe the function of the cell membrane.

Answer

The cell membrane controls what enters and exits the cell. It is selectively permeable, allowing some substances to pass through while blocking others.

4

Explain why plant cells have a cell wall.

Answer

The cell wall is made of cellulose and provides rigid structural support, preventing the cell from bursting when it absorbs water.