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Quiz 9 Biology 347- General Physiology Lab
11/30/2006 Dr. Stark

1. What is the first, and only, enzyme to act on food in the mouth?

amylase

2. What structure is different in rats that prevents them from vomiting food or poison back up?

cardiac oriface

3. What ionic compound do parietal cells secrete?

HCl

4. Which organs contain the 3 portal systems we learned about this semester?

hypothalamus->anterior pituitary, intestine->liver, kidney cortex->kidney medulla

5. What does bicarbonate do to the pH of the stomach output to the intestine?

neutralize by raising pH

6. What combines with acetic acid derived from ethanol to build up fatty acid chains 2 carbons at a time (causing a fatty metamorphosis of the liver)?

coA

7. Hepatitis is a disease that spills what into the blood?

bile

8. A carboxypeptidase cuts which terminal of a protein?

carboxy, duh

9. A bolus of food moves down the esophagus via what movement?

peristalsis

10. Why must cells be produced by mitoses very readily in the intestines?

they digest themselves

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