Which is characteristic of an enzyme ?

(1)it is an inorganic catalyst

(2)it destroyed after each chemical reaction

(3)it provides energy for any chemical reaction.

(4)it regulates the rate of a specific chemical reaction

and explain why you pick that answer.

Which is one example of a phenotypic change that is not genetic

Which statement describes a way in which the digestive and excretory systems work together? a. the nephrons absorb nutrients from food going to the large intestine. b. the excretory system balances blood gases in the small intestine. c. the intestinal villi filter blood and send wastes to the bladder. d. the excretory system balances the salts and water obtained from digested food

The third stage of cellular respiration is (2 points)