AP Biology Ch. 2 Review

Front

What is the reason why oil and water don't mix?

Back

Water can only mix with polar molecules.

Front

What charge of a proton is balanced by the charge of an electron?

Back

The positive charge of a proton is exactly balanced by the negative charge of an electron.

Front

What important cell structure is formed by lipid bilayers?

Back

Cell membrane.

Front

What term describes the attraction of water to other substances?

Back

Adhesion.

Front

What is the weakest type of bonding?

Back

Van der Waals forces.

Front

What is the primary function of the cell membrane?

Back

To protect the cell and regulate what enters and exits.

Front

What type of molecule is water?

Back

Polar molecule.

Front

What is cohesion in the context of water?

Back

The attraction between water molecules.

Front

What is the role of electrons in chemical bonding?

Back

Electrons are involved in forming bonds between atoms.

Front

What is a neutron?

Back

A subatomic particle with no charge found in the nucleus of an atom.