Exploring the Chemistry of Life in AP Biology

Which of the following is NOT a type of biological macromolecule?

• Proteins

• Minerals

• Lipids

• Carbohydrates

What determines the properties of a protein?

• The amount of water

• The presence of lipids

• The sequence of amino acids

• The type of monomers

Why is water considered a polar molecule?

• It has an unequal sharing of electrons

• It has no charge

• It is a large molecule

• It has equal sharing of electrons

What type of bond is formed between the slightly positive hydrogen of one water molecule and the slightly negative oxygen of another?

• Ionic bond

• Metallic bond

• Covalent bond

• Hydrogen bond

What is the term for water molecules sticking to other water molecules?

• Adhesion

• Cohesion

• Surface tension

• Capillary action

Which element is NOT one of the five major elements that make up life on Earth?

• Carbon

• Hydrogen

• Oxygen

• Calcium

What process involves adding water to break a bond?

• Dehydration synthesis

• Polymerization

• Hydrolysis

• Condensation

Which of the following is a component of nucleic acids?

• Magnesium

• Calcium

• Phosphorus

• Sulfur

What is the monomer of proteins?

• Fatty acids

• Nucleotides

• Monosaccharides

• Amino acids

Which level of protein structure involves the sequence of amino acids?

• Secondary

• Primary

• Tertiary

• Quaternary