Passive and Active Transport

Front

What is the diffusion of WATER across a membrane called?

Back

Osmosis

Front

Which transport requires energy?

Back

Active Transport

Front

What does passive transport require?

Back

No energy

Front

What is the movement of particles from an area of lower concentration to an area of higher concentration called?

Back

Active Transport

Front

Osmosis is the movement of _____ across a membrane.

Back

Water

Front

Define passive transport.

Back

The movement of substances across a cell membrane without the use of energy.

Front

Define active transport.

Back

The movement of substances against their concentration gradient, requiring energy.

Front

What is a concentration gradient?

Back

A difference in the concentration of a substance across a space.

Front

What role do transport proteins play in facilitated diffusion?

Back

They help move substances across the cell membrane without using energy.

Front

What is the main difference between passive and active transport?

Back

Passive transport does not require energy, while active transport does.