Module 2 Review

Front

What is diffusion?

Back

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

Front

What is facilitated diffusion?

Back

Facilitated diffusion is a process where molecules move across a cell membrane through protein channels, without the use of energy.

Front

What is the main function of chloroplasts?

Back

The main function of chloroplasts is to conduct photosynthesis, converting light energy into chemical energy.

Front

What is passive transport?

Back

Passive transport is the movement of particles across a cell membrane without the use of energy, typically from high to low concentration.

Front

What is active transport?

Back

Active transport is the movement of particles against their concentration gradient, requiring energy.

Front

What is osmosis?

Back

Osmosis is the diffusion of water molecules through a selectively permeable membrane from an area of low solute concentration to an area of high solute concentration.

Front

What are protein pumps?

Back

Protein pumps are membrane proteins that use energy to transport molecules across the cell membrane against their concentration gradient.

Front

What is the difference between active 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 down their concentration gradient.

Front

What is the role of the cell membrane?

Back

The cell membrane regulates what enters and exits the cell, providing protection and support.

Front

What is concentration gradient?

Back

A concentration gradient is the difference in the concentration of a substance between two areas.