Exam_III_practice_questions

Exam_III_practice_questions - Lili Wang Biol118 EXAM III...

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Lili Wang Biol118 EXAM III Practice Problem 1. In the mammalian gut, proteins first begin to be enzymatically digested in the… a. Mouth b. Esophagus c. Stomach d. Small intestine e. Large intestine 2. Most of the enzymes in the small intestine come from the 3. Among other things, the pancreas secretes copious amounts of a. Bile b. Bicarbonate c. Pepsin d. Secretin 4. The principal function of bile salts is to… 5. The principal action taking place in the large intestine (=colon) is… 6. Essential amino acids are defined as those amino acids which…
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7. When blood sugar levels fall, the pancrease secretes into blood to induce liver cells to break down glycogen into glucose and release glucose in the blood. The hormone has the opposite effect. 8. Which of the following environments has the least amount of dissolved oxygen per liter of fluid? a. Air on top of Mt. Everest b. Air at seal level c. Warm, still seawater d. Pepsin, glucagon 9. Which of the following is not true of insect respirations? 10. The muscles most important in mammalian respiration are the…
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