The caloric requirement for boys may increase by ________ percent from ages 10 to 19

__________ play an especially important role in the development of gender stereotypes in

children. a. Parents b. Teachers c. Peers d. Siblings e. Genetics

The four main genetic factors that seem related to Alzheimer's disease are all and combinations

a. neurotransmitter; neural network b. proteins; chromosomes c. hormone; endocrine d. lipid; cell body