The typical speed of reaction releases gas every twenty seconds for two minutesThe chart lists four substances that were added to the reactor at different times

Which statement best summarizes the chart?

A. Substances W and Y are catalysts, and substances X and Z are inhibitors

B. Substance W is an inhibitor and substances X Y and Z are catalysts.

C. Substances W and Z are inhibitors and substances X and Y are catalysts.

D. Substance X is a catalyst , and substances W Y and Z are inhibitors .

Which of the following statements regarding anfinsen's denaturing experiments with ribonuclease a (rnase a) are valid? exposing the denatured protein to air oxidation and then dialysis to remove urea restored the protein to its original functionality. removing urea by dialysis and then allowing air oxidation of the denatured protein restored the protein to its original functionality. denaturing the protein with both urea and β-mercaptoethanol yielded an inactive protein. anfinsen concluded that protein folding is determined by its primary sequence.

Which of the following are false concerning microbes? a. microbes generate oxygen through photosynthesis. b. the primary role of microbes on the planet involves causing disease in animals and humans. c. microbes produce vitamins in the intestines. d. microbes play a role in breaking down waste and decomposing dead organisms.

What kind of crystalline solid is graphite? o a. molecular solid b. metallic solid o c. network solid d. ionic solid