A protein kinase can: a. phosphorylate an enzyme and activate it by decreasing the number of enzyme inhibitors.
b. increasing the number of enzyme molecules.
c. changing the shape of the enzyme to expose an active site.
d. increasing transcription of the enzyme.
e. changing the enzyme's function.

What is the ecological role of food chains and food webs

What is a difference between systemic and pulmonary circulation? a. systemic circulation carries oxygenated blood to the lungs and pulmonary circulation carries deoxygenated blood to the body. b. systemic circulation carries deoxygenated blood to the lungs and pulmonary circulation carries oxygenated blood to the body. c. systemic circulation carries deoxygenated blood to the body and pulmonary circulation carries oxygenated blood to the lungs. d. systemic circulation carries oxygenated blood to the body and pulmonary circulation carries deoxygenated blood to the lungs.

The offspring of a black cat and a white cat is a gray cat, it has the genotype bw if a black cat mates with a gray cat the chance that the offspring is white will be what percent?