Experiment 13: How Much PREPARATION WORKSHEET Name: TA: Answer the following que

Question

Experiment 13: How Much PREPARATION WORKSHEET Name: TA: Answer the following questions using information obtained from lecture, the textbook, the lab Date Section manual, or other reliable sources. The responses will be collected at the beginning of Pre-Lab Recitation and checked may result in exclusion from participating in the lab. 1. For each of the following food types, list where digestion is initiated and what enzymes are used to hydrolyze them. a. carbohydrates: b. proteins: c. lipids: 2. How does the pH of the stomach change when eating versus not eating? 3. In two or three complete sentences, describe what heartburn is and how antacids work to chemically counteract heartburn.

Explanation / Answer

q1) CARBOHYDRATE DIGESTION:

Carbohydrate digestion starts in the mouth where the saliva contains enzyme salivary amylase, which begins the breaking down of carbohydrates.

In Pancreas and Small Intestine enzyme pancreatic amylase breaks the polysaccharide down into a disaccharide.

PROTEIN DIGESTION:

In Pancreas and Small Intestine Trypsinogen, which is an inactive(zymogenic) protease that hydrolysis prtein into amino acid.

LIPIDS DIGESTION:

Carbohydrate digestion bigins in the mouth continues in the stomach, pancreas and ends in small intestine. The enzymes which breaks it down are called lipase

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