Cell Membrane & Transport

Front

Osmosis is the movement of _____ across a membrane.

Back

water

Front

Some cells move large particles out of the cell through the process of:

Back

Exocytosis

Front

Diffusion is a form of __________ transport.

Back

Passive

Front

Most of the cell membrane is made of...

Back

Lipids

Front

What happens to red blood cells in a hypertonic solution?

Back

The red blood cell would shrink.

Front

What is the primary function of the cell membrane?

Back

To protect the cell and regulate what enters and exits.

Front

Define diffusion.

Back

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

Front

What is active transport?

Back

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

Front

What role do proteins play in the cell membrane?

Back

They assist in transport and communication across the membrane.

Front

What is a selectively permeable membrane?

Back

A membrane that allows certain substances to pass while blocking others.