1. Enzymes help to quicken the rate of chemical reactions in a living body and undergo changes during this process.   True   False   2. Which enzyme does not act on carbohydrates?   invertase   ptyalin   steapsin   amylopsin   Hint Half-n-half Clue   3. Which enzyme does not act on proteins?   erepsin   amylopsin   trypsin   pepsin   Half-n-half Clue   4. Erepsin is an enzyme contained in _______ juice.   pancreatic   intestinal   gastric   Half-n-half Clue   5. Which enzyme does not act on fats?   lipase   steapsin   ptyalin   Half-n-half Clue   6. The large intestine does not secrete any enzymes.   True   False   7. Trypsin is an enzyme contained in _______ juice.   intestinal   gastric   pancreatic   Half-n-half Clue