Shier Hole’s Essential A & P Chapter 04

Shier • Hole’s Essential A & P • Chapter 04

Question 1 • The proteins that control the reactions of metabolism are • A. amino acids. • B. catalysts. • C. enzymes. • D. substrates.

Question 2 • A by-product of dehydration synthesis is • A. carbon dioxide. • B. oxygen. • C. water. • D. amino acids.

Question 3 • Enzymes are needed to promote metabolic reactions in the body because • A. there is inadequate oxygen to promote the chemical reactions. • B. the temperature in cells is not high enough to promote the increase in chemical reaction rates. • C. both of the above. • D. neither of the above.

Question 4 • Enzymes can be denatured (destroyed) by • A. heat and radiation. • B. chemicals and extremes of pH. • C. electricity. • D. all of the above.

Question 5 • The final products of glucose oxidation are all of the following except • A. water. • B. carbon dioxide. • C. energy. • D. oxygen.

Question 6 • The initial phase of the metabolic pathway of carbohydrates produces • A. 2 pyruvic acid molecules. • B. 36 citric acid molecules. • C. acetyl coenzyme A. • D. 4 fumaric acid molecules.

Question 7 • The most important product of the citric acid cycle is • A. hydrogen. • B. oxygen. • C. carbon dioxide. • D. glycogen.

Question 14 • Hydrolysis occurs during digestion. • A. True • B. False

Question 15 • Energy can be mechanical, chemical, and thermal. • A. True • B. False

Question 16 • Anaerobic respiration requires oxygen. • A. True • B. False

Question 17 • The end product of carbohydrate digestion is glycogen. • A. True • B. False

Question 18 • The primary use of carbohydrates is as energy sources. • A. True • B. False

1. C 2. C 3. B 4. D • 5. D 6. A 7. A 14. A • 15. A 16. B 17. B 18. A

Shier Hole’s Essential A & P Chapter 04