Why salivary amylase is active in the mouth, but becomes inactive in the stomach?

If the frequency of the p allele is .63 in the population then what is the frequency of the q allele?

Select the correct answer. which mutation is harmful to the organism? a. a mutation allowing moths to camouflage better on blackened tree bark b. a mutation making staphylococcus aureus resistant to the antibiotic methicillin c. a mutation inhibiting human immunodeficiency virus from attaching to and entering the cell d. a mutation causing uncontrolled cell division e. a mutation giving plant leaves a bitter taste to discourage herbivores from eating them

Which describes the habitat of a frog?