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Unformatted text preview: Bio 101 Homework 3 Name_ ANSWER KEY _____________ Due Wednesday, November 11 1. Where do the following take place: a. start of starch hydrolysis mouth b. start of protein hydrolysis stomach c. most chemical digestion small intestine (specifically the duodenum) d. most absorption of nutrients small intestine (specifically the ileum) e. most absorption of water large intestine (also known as the colon) 2. Trace the movement of food from ingestion to elimination (using arrows) ie. food mouth mouth pharynx esophagus stomach duodenum ileum large intestine (colon) rectum anus 3. The pancreas and liver play an important role in digestion. What role do they play, and where does this occur within the digestive tract? Pancreas secrete enzymes into the duodenum to break down carbohydrates, proteins and lipids (carbohydrase, protease, and lipase) The liver produces bile, which is stored in the gall bladder. The gall bladder passes bile to the duodenum which neutralizes stomach acid and coats fat to aid in fat digestion 4.4....
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This note was uploaded on 11/30/2010 for the course BIOS 101 taught by Professor Plantz during the Spring '08 term at UNL.
- Spring '08