Which is one function of a protein macromolecule? a. making up the code for living things b. providing waxy coating on leaves c. insulating organs of the body d. carrying oxygen in the blood

Which of the following statements about brain development and early childhood is true? the brain of a 5 year old is 60 percent the size of an adult brain the overall size of the brain does not increase dramatically from ages 3-15 by the time a child is 3 years of age, the brain is 25 percent of it's adult size the development that occurs inside the brain ends at the onset of adolescence