Answer: B. the pH in the stomach is not suitable for the amylase to work.
Explanation: When carbohydrates reach the stomach no further chemical breakdown occurs because the amylase enzyme does not function in the acidic conditions of the stomach.
I don't think so, unless you're talking about their variation of colors.
Metaphase is the phase where they become noticeable, because they are lined up in the middle
Enzymes are biological molecules (typically proteins) that significantly speed up the rate of virtually all of the chemical reactions that take place within cells.
