Chpt. 2: Basic Chemistry

Question 0

Adenosine Triphosphate (ATP)

Answer 0

The compound that is the important intracellular energy source; cellular energy

Question 1

Acid

Answer 1

Substance that liberates hydrogen ions when in an aqueous solution

Question 2

Base

Answer 2

A substance that accepts hydrogen ions; proton acceptor

Question 3

Carbohydrate

Answer 3

Organic compound composed of carbon, hydrogen, and oxygen; includes starches, sugars, and cellulose

Question 4

Enzyme

Answer 4

Substance formed by living cells that acts as a catalyst in bodily chemical reactions

Question 5

Lipid

Answer 5

Organic compound formed of carbon, hydrogen, and oxygen; examples are fats and cholesterol

Question 6

Nucleic Acid

Answer 6

Class of organic molecules that includes DNA and RNA

Question 7

pH

Answer 7

The symbol for hydrogen ion concentration; a measure of the relative acidity or alkalinity of a solution

Question 8

Protein

Answer 8

A complex nitrogenous substance; the main building material of cells