Biology EOC Review 1

Front

What is the role of a contractile vacuole in protists?

Back

A contractile vacuole helps protists eliminate excess liquid, reducing pressure inside the cell and preventing it from bursting.

Front

What is the source of energy for the pumping process of a contractile vacuole?

Back

ATP is the source of energy for the pumping process of a contractile vacuole.

Front

What is salivary amylase?

Back

Salivary amylase is an enzyme in humans that breaks down starches.

Front

What substance would humans have difficulty digesting with salivary amylase?

Back

Humans would have difficulty digesting carbohydrates with salivary amylase.

Front

What is active transport?

Back

Active transport is the process of moving materials into or out of a cell using energy.

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 require energy and moves substances along their concentration gradient.

Front

What is the evidence that a cell is using active transport?

Back

The best evidence is that ATP is being rapidly consumed near the cellular membrane.

Front

What happens when a phosphate group is added to ADP to form ATP?

Back

Adding a phosphate group to ADP stores energy, converting it to ATP.

Front

What is osmosis?

Back

Osmosis is the movement of water across a semipermeable membrane from an area of low solute concentration to an area of high solute concentration.

Front

What is diffusion?

Back

Diffusion is the movement of particles from an area of high concentration to an area of low concentration.