Someone which statement is correct, with regard to the catalase enzyme catalyzing the breakdown of hydrogen peroxide into water and oxygen? a. water is a substrate in this reaction. b. bonds in the hydrogen peroxide are weakened in catalase's active site, allowing the chemical reaction to occur. c. hydrogen peroxide is produced by the catalase enzyme. d. the breakdown of hydrogen peroxide would still occur naturally but occurs less rapidly with the catalase enzyme.

How is anaerobic respiration affected by changes in temperature? (5 points)based on the conditions of early earth, what conclusion can you draw about the amount of anaerobic respiration that was occurring at earth’s beginning? explain your answer.(5 points)if there was a sudden drop in temperature after the evolution of the first living cells, predict how that might have affected the changes in the atmosphere and the evolution of cyanobacteria and other autotrophs. explain your answer. (5 points)