Active & Passive Transport

Front

What is the term for a solution where the concentration of solute molecules outside the cell is equal to the concentration inside the cell?

Back

Isotonic

Front

What is the process called when substances are transported out of a cell using energy?

Back

Exocytosis

Front

Does active transport move substances with or against a concentration gradient?

Back

Against a concentration gradient

Front

What is the movement of molecules from an area of high concentration to an area of low concentration called?

Back

Diffusion

Front

What happens to a red blood cell when it is placed in distilled water?

Back

It will swell and burst.

Front

What is passive transport?

Back

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

Front

What is osmosis?

Back

The diffusion of water molecules across a selectively permeable membrane.

Front

What is the difference between active and passive transport?

Back

Active transport requires energy, while passive transport does not.

Front

What is pinocytosis?

Back

A form of endocytosis where the cell engulfs liquid.

Front

What is the role of transport proteins in active transport?

Back

They help move substances across the cell membrane against their concentration gradient.