1. 1)The removal of waste products of metabolism is called………… a)expulsion b)exclusion c)egestion d)excretion

2. 2) What type of reactions are involved in digestion? A) reduction B) hydrolysis C) oxidation D) condensation

3. 3) Where does protein digestion take place? A) stomach, duodenum, ileum B) mouth, stomach, ileum C) stomach, ileum, colon D) ileum, duodenum, colon

4. 4) What type of enzyme is pepsin? A) a lipase B) an endopeptidase C) an exopeptidase D) a carbohydrase

5. 5) An enzyme which breaks peptide bonds within protein molecules is called…… A) a lipase B) an endopeptidase C) an exopeptidase D) a carbohydrase

6. 6) An enzyme which breaks peptide bonds at the ends of the protein molecules is called…… A) a lipase B) an endopeptidase C) an exopeptidase D) a carbohydrase

7. 7) Carboxypeptidase is ………… A) a lipase B) an endopeptidase C) an exopeptidase D) a carbohydrase

8. 8) Where does carbohydrate digestion begin? A) mouth B) stomach C) duodenum D) ileum

9. 9) Which statement is false? A) amylase breaks down starch B) sugar can be produced in the mouth C) maltose is a monosaccharide D) the pH of the mouth is about neutral

10. 10) Which statement is false? A) pepsin is an endopeptidase B) trypsin is an endopeptidase C) carboxypeptidase is an endopeptidase D) peptidase is an exopeptidase