21. Base your answer to the question on the information belo…

21. Base your answer to the question on the information below and on your knowledge of biology. A student completed a series of experiments and found that a protein-digesting enzyme (intestinal protease) functions best when the pH is 8.0 and the temperature is 37°C. During an experiment, the student used some of the procedures listed below.   Procedures (A)Adding more protease (B)Adding more protein (C)Decreasing the pH to 6.0 (D)Increasing the temperature to 45°C (E)Decreasing the amount of light Which procedure would have the least effect on the rate of protein digestion?