Cell Tranport

Front

What are the three types of active transport?

Back

Sodium/potassium Pump, Endocytosis, Exocytosis

Front

What does it mean for cell membranes to be selectively permeable?

Back

Cell membranes regulate which substances can enter and exit the cell.

Front

What type of transport occurs when solutes move against the concentration gradient?

Back

Active Transport

Front

What is the process called when materials are expelled from a cell?

Back

Exocytosis

Front

Osmosis is the movement of _____ across a membrane.

Back

water

Front

What is passive transport?

Back

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

Front

What is facilitated diffusion?

Back

A process where substances move across a cell membrane with the help of transport proteins.

Front

Define endocytosis.

Back

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

Front

What is the sodium/potassium pump?

Back

A type of active transport that moves sodium out of the cell and potassium into the cell.

Front

What is diffusion?

Back

The movement of molecules from an area of higher concentration to an area of lower concentration.