For each of the following multiple choice questions, choose the answer that best completes each of the following statements or answers each of the following questions. Place the number of your response in the appropriate blank on the answer sheet provided. Golgi bodies 2. Enzymes affect many biological reactions.
Water is a substance needed for the construction of molecules.
Molecules are constructed and water is released. Molecules of the same type are always involved. Molecules of different types must always be involved. At 20 C. the optimum reaction rate of a certain enzyme occurs at a pH of 7. Malpighian tubules 19.