1. Amylopsin is an enzyme present in the _______.   duodenum   ileum   jejunum   Hint Half-n-half Clue   2. Which enzyme is not present in pancreatic juice?   amylopsin   steapsin   trypsin   pepsin   Half-n-half Clue   3. Enzymes help to quicken the rate of chemical reactions in a living body and undergo changes during this process.   True   False   4. Which enzyme does not act on proteins?   pepsin   trypsin   amylopsin   erepsin   Half-n-half Clue   5. Pepsin is an enzyme contained in _______ juice.   intestinal   pancreatic   gastric   Half-n-half Clue   6. Trypsin is an enzyme contained in _______ juice.   intestinal   gastric   pancreatic   Half-n-half Clue   7. Which enzyme acts on starch in the mouth and converts it into maltose?   ptyalin   pepsin   lactase   lipase   Half-n-half Clue