2.3 and 2.4 Summative

Front

What happens to an animal cell in a hypertonic (salty) solution?

Back

The animal cell will shrink (get smaller) due to water moving out of the cell.

Front

What is the movement of substances through a cell membrane without using the cell's energy called?

Back

Passive transport.

Front

What is the process called when substances move from an area of higher concentration to an area of lower concentration?

Back

Diffusion.

Front

What are carbohydrates, lipids, proteins, and nucleic acids examples of?

Back

Organic compounds.

Front

What are formed when two or more elements combine chemically?

Back

Compounds.

Front

Define hypertonic solution.

Back

A solution with a higher concentration of solutes compared to another solution.

Front

What is osmosis?

Back

The movement of water across a selectively permeable membrane from an area of lower solute concentration to an area of higher solute concentration.

Front

What is the difference between active transport and passive transport?

Back

Active transport requires energy to move substances against their concentration gradient, while passive transport does not.

Front

What is a solute?

Back

A substance that is dissolved in a solution.

Front

What is a solvent?

Back

A substance that dissolves a solute, forming a solution.