This is the true story of Ritchie Valens, a young rock and roll singer who tragically died in a plane crash at age 17. The film follows Ritchie from his days in Pacoima, California where he and his family make a meager living working on farms to his rise as a star. The film also focuses on Ritchie's friendship and rivalry with his older brother Bob Morales and his relationship with Donna Ludwig, his girlfriend.
Making the world better, one answer at a time. It depends on what type of Enzyme. Enzymes have different optimum pH depending on the environment they work in, for example and enzyme in the stomach of a human would have a pH of about 2 but an enzyme in human saliva has an optimum pH of 5.6.
0. 0. I Have in a classroom setting tested various pH levels on the reaction rates of the enzyme Catalase from a sample of bovine liver, but i require the optimum pH to better interpret my data and all i can find is the human level of 7 while i know catalase depending on the animal could have an optimum range of 4-11.