Keratin and silk are examples of ________, whereas glucose and maltose are examples of ________.
A. proteins; lipids
B. proteins; carbohydrates
C. carbohydrates; proteins
D. nucleic acids; lipids
Answer:B
Keratin and silk are examples of ________, whereas glucose and maltose are examples of ________.
A. proteins; lipids B. proteins; carbohydrates C. carbohydrates; proteins D. nucleic acids; lipids