Term

Definition

3. Carbohydrate

a. Molecule that's a source of energy in the body

4. Nucleic acid

b. Many structures and enzymes in the body are made of these

5. Lipids

c. One substance that makes up cell membranes

6. Proteins

d. The molecule that carries the genetic material in the cell

L. lonic Bonding is formation of an lonic bond is result of transfer of one or more electrons from a metal onta

1. In an ionic bond, the electrons are lost or gained between atoms. In a covalent bond, the electrons are shared between atoms.

2. Protons and electrons both have an electric charge. Protons have a positive charge and electrons have a negative charge. This means that their charges are equal and opposite. The nature of the charge influences how electricity moves through an atom.

3. a

4. d

5. c

6. b

3. a

4. d

5. c

6. b