Answer:
Umbrella goes up when rain comes down.
Amylase is an enzyme that hydrolyses the alpha bonds of large, alpha-linked polysaccharides, such as starch and glycogen. The catalyzed products are glucose and maltose. In the human body, both salivary and pancreatic amylase is produced.
Answer: The DNA
Explanation: DNA is the only part of the cell that can mutate. That DNA could cause other cell parts to have mutations further down the road, though.
If you mean what part of the cell cycle, then it is interphase, while DNA is replicating.