Biochemistry (Unit 2 exam review)

Which of the following is an example of a nucleotide-based macromolecule?

• DNA

• RNA

• ATP

• All of these are nucleotide based macromolecules

Which of these listed below is the function of an enzyme?

• To form permanent bonds in each chemical reaction

• To lower the activation (starting) energy of a chemical reaction

• To provide energy for the completion of a chemical reaction

• To regulate internal temperature during a chemical reaction

Which group of organic molecules do enzymes belong to

• Proteins

• Carbohydrates

• Lipids

• Nucleic Acids

Glycogen is an example of a

• Monosaccharide

• polysaccharide

• disaccharide

• Plant starch

Which of the following organic compounds is properly matched with its subunit (monomer)?

• Glucose ---> Lipid

• Starch --> Glucose

• Protein ---> Maltose

• Fatty acide ---> Carbohydrate

Amino acids are the monomers that join together to form

• Proteins

• Nucleic Acids

• Carbohydrates

• Lipids

Which organic molecule(s) store the genetic information of a cell and/or organism?

• Nucleic Acids

• Proteins

• Fatty Acids

• Carbohydrates

Which of the following substances is a chemical compound?

• Carbon

• Hydrogen

• Water

• Nitrogen

Which group of macromolecules provides building blocks for tissues, transports other molecules, and helps regulate the rate of chemical reactions in the body?

• Lipids

• Carbohydrates

• Nucleic Acids

• Proteins

Which subatomic particles are found in the nucleus of an atom?

• Protons and electrons

• Electrons and neutrons

• Protons and neutrons

• Protons, neutrons, and electrons