Chapter 16- Cells Review & Cell transport

Front

Which biomolecule helps LARGE molecules cross the membrane?

Back

Proteins

Front

Movement of particles from high to low concentration is called?

Back

Passive Transport

Front

What regulates what enters and leaves a cell?

Back

Cell Membrane

Front

What type of organisms have cells that contain a nucleus?

Back

Eukaryotes

Front

What does semi-permeable mean?

Back

Some molecules can move through the membrane.

Front

What is the primary function of the cell membrane?

Back

To protect the cell and control the movement of substances in and out.

Front

What is the difference between passive and active transport?

Back

Passive transport does not require energy, while active transport does.

Front

What are phospholipids?

Back

Molecules that make up the cell membrane, consisting of a hydrophilic head and hydrophobic tails.

Front

Define osmosis.

Back

The movement of water molecules through a semi-permeable membrane from an area of low solute concentration to high solute concentration.

Front

What is the role of proteins in the cell membrane?

Back

They assist in transporting substances across the membrane and act as receptors.