Question 33 Which statement is a TRUE description of a transition state inhibitor of an enzyme? a. They bind covalently to the enzyme. b. They bind to the enzyme more tightly than the substrate. c. They react irreversibly with the enzyme. d. They require the presence of a stable functional group to mimic the functionality in the transition state. e. All of the above are true. Question 34 Allosteric enzymes have which of the following characteristics: a. Their catalytic activity cannot be regulated. O b. They conform to Michaelis-Menton kinetics. O c. They have multiple active sites that display cooperativity. d. They have regulatory molecules that only stimulate enzyme activity. e. They have a hyperbolic dependence of the reaction velocity with substrate concentration.

Question 26 (3 points) The number of copper atoms present in 2.35 ng of copper wire equal. Question 27 (3 points) V Saved (0.5pts each) Give an example of a. Homogeneous mixture b. A nonmetal that exists as liquid c. A nonmetal that exists as a single atom d. An alkali earth metal e. Heterogeneous mixture f. A metal that exists as a liquid at room temperature. Paragraph 、三 ,山 > I a. Sea water b. Bromine (Br) c. Helium (He) d. Calcium (Ca) e. Salt and pepper