Membrane Transport

Front

What does selectively permeable mean in the context of cell membranes?

Back

The cell membrane lets certain substances enter the cell and keeps certain substances out of the cell.

Front

What is the process called when materials move from high to low concentration through a protein channel?

Back

Passive Transport

Front

What is the term for the movement of water from high concentration to low concentration?

Back

Osmosis

Front

Which of the following is NOT another name for the cell membrane?

Back

Cell wall

Front

What substance requires a hot water bath for testing?

Back

Glucose

Front

What is the primary function of the cell membrane?

Back

To protect the cell and regulate what enters and exits.

Front

What are the main components of the cell membrane?

Back

Phospholipids, proteins, cholesterol, and carbohydrates.

Front

What is the fluid mosaic model?

Back

A model that describes the structure of the cell membrane as a mosaic of various components that move fluidly.

Front

What is active transport?

Back

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

Front

What is diffusion?

Back

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