Just as glucose is the basic building block of carbohydrate, are the basic building blocks of protein.
a. lipids
b. amino acids
c. enzymes
d. collagen

Which student is using a manipulative skill? a. megan is twisting. b. michelle is walking. c. tracy is dribbling a basketball. d. april is leaping.

According to your text, the best way to reduce the number of germs is by ventilating spaces and a. cleaning all toys, books, and materials every day. b. keeping all potentially sick individuals out of the center. c. minimizing strenuous physical activity among the children. d. cleaning, sanitizing, and disinfecting surfaces and materials.

Which word can describe a person's gender identity? a) female b) intersexual c) asexual d) androgynous