Cell Transport Review

Front

During passive transport, molecules move from an area of ______ concentration to an area of _____ concentration.

Back

higher, lower

Front

In our egg lab, what caused the eggs to gain or lose mass?

Back

Water going into or out of the egg

Front

What type of transport moves substances from low to high concentration?

Back

Active Transport

Front

What is the diffusion of water called?

Back

Osmosis

Front

Osmosis is the movement of _____ across a membrane.

Back

water

Front

What is passive transport?

Back

The movement of molecules across a membrane without energy input, from higher to lower concentration.

Front

What is active transport?

Back

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

Front

What is diffusion?

Back

The process by which molecules spread from areas of high concentration to areas of low concentration.

Front

What is a semipermeable membrane?

Back

A membrane that allows certain molecules to pass through while blocking others.

Front

What happens to a cell in a hypertonic solution?

Back

The cell loses water and shrinks.