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

5. Lipids

c Ore substance that makes up cel membranes

6. Proteins

d. The molecule that carries the genetic materal in

Answer: Not sure exactly what the question is, but Nucleic acid matches with choice d and Proteins match with choice b. Carbohydrate is a and Lipids is c.

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

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.

a

d

c

b

question 3 correct answer