11. Which of the following is an example of a steroid?
a) Glucose
b) Insulin
c) Testosterone
d) Keratin
12. Which of the following is not a function of proteins in cells?
a) Enzymatic activity
b) Transport of molecules
c) Energy storage
d) Structural support
13. Which of the following is an example of a disaccharide?
a) Glucose
b) Sucrose
c) Fructose
d) Galactose
14. Which of the following is the correct pairing of complementary bases in DNA?
a) Adenine-Cytosine, Guanine-Thymine
b) Adenine-Guanine, Cytosine-Thymine
c) Adenine-Thymine, Guanine-Cytosine
d) Adenine-Uracil, Guanine-Cytosine
15. Which of the following is the correct order of protein structure?
a) Primary, secondary, tertiary, quaternary
b) Secondary, primary, quaternary, tertiary
c) Primary, tertiary, secondary, quaternary
d) Tertiary, primary, quaternary, secondary
