CH 2 The Chemistry of Life REVIEW

Which of the following is made up of glycerol and fatty acids?

• lipids
• carbohydrates
• proteins
• nucleic acids

Monosaccharide is to starch as

• DNA is to RNA
• sugar is to fat
• Amino acid is to protein

• fat is to lipid

What type of electron is available to form bonds?

• covalent
• nucleus
• ionic
• valence

A substance with a pH of 4 is called a(n)

• suspension
• water
• acid
• base

Which of the following makes up a molecule of water?

• one atom of hydrogen and one atom of oxygen
• one atom of sodium and one atom of chlorine
• one atom of hydrogen and two atoms of oxygen
• two atoms of hydrogen and one atom of oxygen

Identify the reactant(s) in the chemical reaction, CO2 + H2O -> H2CO3.

• CO2
• CO2, H2O, and H2CO3
• H2CO3
• CO2 and H2O

Which of the following is NOT a monomer?

• a protein
• a glucose molecule
• a nucleotide
• an amino acid

If an atom contains 11 protons and 12 neutrons, its atomic number is

• 12
• 23
• 1
• 11

Which type of macromolecules store energy and provides thermal insulation for the body?

• lipid
• protein
• carbohydrate
• nucleic acid

When you shake sugar and sand together in a test tube, you cause them to form a

• compound
• solution
• suspension
• mixture