Cell Processes Review 1

Front

What is active transport?

Back

Movement of materials across a membrane that requires energy; movement from low to high concentration.

Front

Where is there a low concentration of dye in a cup?

Back

At the bottom of the cup.

Front

What is the process called when substances move from an area of LOW concentration to an area of HIGH concentration?

Back

Active transport.

Front

What process is shown in the diagram of plants converting sunlight into energy?

Back

Photosynthesis.

Front

What is osmosis?

Back

Diffusion of water through a selectively permeable membrane.

Front

What is passive transport?

Back

Movement of materials across a membrane without the use of energy; movement from high to low concentration.

Front

What is diffusion?

Back

The movement of particles from an area of high concentration to an area of low concentration.

Front

What is a selectively permeable membrane?

Back

A membrane that allows certain molecules to pass through while blocking others.

Front

What is cellular respiration?

Back

The process by which cells convert glucose and oxygen into energy, carbon dioxide, and water.

Front

What is endocytosis?

Back

The process by which cells take in substances by engulfing them in a membrane.