Cell Transport

Front

Biomolecule used in active transport

Back

Protein

Front

Two main differences of active transport (compared to passive)

Back

Use of ATP and against concentration gradient.

Front

Cells transport material across a cell membrane without using energy (high to low concentration)

Back

Passive transport

Front

The process where only water is allowed to pass through the cell membrane from a high to low concentration.

Back

Osmosis

Front

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

Back

Diffusion

Front

What is active transport?

Back

The movement of molecules across a cell membrane using energy, typically against their concentration gradient.

Front

What is passive transport?

Back

The movement of molecules across a cell membrane without the use of energy, typically down their concentration gradient.

Front

Define osmosis.

Back

The diffusion of water molecules through a selectively permeable membrane.

Front

What is the role of ATP in active transport?

Back

ATP provides the energy required for the transport of molecules against their concentration gradient.

Front

What is a concentration gradient?

Back

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