Cell Organelles and Transport

Front

What is Exocytosis?

Back

A process of active transport where materials are expelled from a cell.

Front

What do vacuoles do in plant cells?

Back

They hold/store water and are larger in plant cells.

Front

What is Osmosis?

Back

A type of passive transport where water moves across a semipermeable membrane from an area of low solute concentration to high solute concentration.

Front

What type of transport occurs from high to low concentration?

Back

Passive Transport.

Front

What controls what enters and leaves a cell?

Back

The cell membrane.

Front

Define Active Transport.

Back

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

Front

Define Passive Transport.

Back

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

Front

What is the function of the cell membrane?

Back

It acts as a barrier that controls the movement of substances in and out of the cell.

Front

What are ribosomes?

Back

Cell organelles that synthesize proteins.

Front

What is the role of the nucleus?

Back

It controls cell activities and contains genetic material.