1. Which enzyme is not present in pancreatic juice?   steapsin   amylopsin   pepsin   trypsin   Hint Half-n-half Clue   2. Which enzyme does not act on proteins?   amylopsin   trypsin   pepsin   erepsin   Half-n-half Clue   3. The liver secretes a chemical compound called bile, which contains no enzymes.   True   False   4. Enzymes help to quicken the rate of chemical reactions in a living body and undergo changes during this process.   True   False   5. Which enzyme is produced only in children?   rennin   trypsin   pepsin   amylopsin   Half-n-half Clue   6. Pepsin is an enzyme contained in _______ juice.   gastric   pancreatic   intestinal   Half-n-half Clue   7. Which enzyme does not act on fats?   steapsin   ptyalin   lipase   Half-n-half Clue