Question

1. the third enzyme you will be investigating is pepsin. like trypsin, pepsin also breaks down proteins within the digestive tract. again you will see an egg white cube, which contains protein, suspended in a solution with the pepsin enzyme. the question you will be exploring is: how does ph affect the digestive rate of the pepsin enzyme? 2. you will be collecting data on the length of one side of the egg just like before. however, this time you will be stopping the video at 12:00 hours instead of letting the video run to the end. identify after how many hours of the egg in a pepsin solution that you will be recording data.

Explanation:

Step1: Identify the time - point for data collection

The text states "this time you will be stopping the video at 12:00 hours instead of letting the video run to the end" and "Identify after how many hours of the egg in a pepsin solution that you will be recording data".

Answer:

12