Athletes often eat carbohydrates before a competition. By eating lots of carbohydrates, they force their bodies to store extra glucose in their muscles and livers. In which type of molecule, do animals store extra glucose? A) Glycogen
B) Cellulose
C) Glucose
D) Starch

How does the study of genetic disorders such as pku biologists understand normal alleles?

All but one describes an effect of aging on the digestive system. a) decreased acid secretion b) decreased elasticity of stomach c) capacity to resist damage decreases d) food remains in stomach for less time

Which statement describes how favorable traits in a population relate to natural selection? they are the only traits that ever exist in the population. they build in the population over time. they are rarely passed on to offspring. they are found only in a few individuals within the population.