Turn into a button star because it the answer
Answer:
a
Explanation:
the kidney secretes an enzyme called rennin that helps to control blood pressure is not true the kidney does not secret rennin
This depends on the point of view, I believe. Chelicerate is not the direct ancestor of trilobites, but it is related but distantly.
Answer: <u>Activators </u> can switch on enzyme activity, while <u>inhibitors </u>can switch off or reduce enzyme activity.
Enzymes are biomolecules that catalyzes a reaction. The enzymes can either speed up or slows down a reaction. Activators are compounds, molecules or elements that attach to the enzyme and promotes its activity. Inhibitors are factors which prevent the activity of the enzyme. Both activators and inhibitors are necessary for cellular metabolisms taking place in a living organism.