Sam is studying the effects of temperature change on a specific enzyme, catalase. this enzyme is found in cells and break down hydrogen peroxide. as part of her project, she measures the rate at which hydrogen peroxide is broken down by catalase at 20, 25, 30, and 35oc. which question best describes sam's science research project?

Students in biology are studying the macromolecules of life. they used a calorimeter to determine the calories in various types of food. once the lab was completed, the students ate the left over food samples. monica commented that in just 6 or 7 "chews" of the saltine, it was gone; nothing but a sticky paste in her mouth. elaborate on what happened chemically while chewing the saltine. include the macromolecules present.