Unit 3 Homeostasis & Cell Transport Review

Front

What is the most important organelle in cell transport?

Back

Cell membrane

Front

What is the primary composition of the cell membrane?

Back

Phospholipid bilayer and proteins

Front

True or False: Placing an animal cell in a hypertonic solution will cause water to move into the cell.

Back

False

Front

What type of solution causes cells to neither shrink nor swell?

Back

Isotonic solution

Front

What is ATP?

Back

The cell's usable form of chemical energy

Front

Define homeostasis.

Back

The process by which living organisms maintain a stable internal environment.

Front

What is the function of the cell membrane?

Back

To regulate what enters and exits the cell.

Front

What happens to a cell in a hypotonic solution?

Back

The cell swells as water enters.

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.