Unit 14: Macromolecules

1. Macromolecules are large molecules made up of smaller units known as:

a) Atoms
b) Ions
c) Monomers
d) Radicals
Answer: c) Monomers

2. Which of the following is a type of macromolecule?

a) Protein
b) Water
c) Sodium chloride
d) Carbon dioxide
Answer: a) Protein

3. Polymers are formed through a process known as:

a) Hydrolysis
b) Condensation
c) Oxidation
d) Reduction
Answer: b) Condensation

4. Which of the following is a natural polymer?

a) Polyethylene
b) Polystyrene
c) Cellulose
d) Nylon
Answer: c) Cellulose

5. Proteins are composed of long chains of:

a) Nucleotides
b) Fatty acids
c) Amino acids
d) Monosaccharides
Answer: c) Amino acids

6. The process by which proteins are formed from amino acids is known as:

a) Glycolysis
b) Polymerization
c) Dehydration synthesis
d) Hydrolysis
Answer: c) Dehydration synthesis

7. Which of the following macromolecules stores genetic information?

a) Proteins
b) Lipids
c) Nucleic acids
d) Carbohydrates
Answer: c) Nucleic acids

8. The primary structure of a protein refers to:

a) The sequence of amino acids
b) The folding pattern
c) The overall 3D shape
d) The interaction between multiple polypeptides
Answer: a) The sequence of amino acids

9. DNA and RNA are examples of:

a) Proteins
b) Nucleic acids
c) Lipids
d) Carbohydrates
Answer: b) Nucleic acids

10. Which of the following macromolecules is not a polymer?

a) Starch
b) Cellulose
c) Glycogen
d) Lipids
Answer: d) Lipids