TEST BANK
Biochemistry: The Molecular Basis of Life
James R. McKee & Trudy McKee
7th Edition
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Table of Contents
Part I — Energy and Molecular Structure
1. Biochemistry: An Introduction
2. Living Cells
3. Water: The Matrix of Life
4. Energy
5. Amino Acids, Peptides, and Proteins
6. Enzymes
7. Carbohydrates
8. Carbohydrate Metabolism
9. Aerobic Metabolism I: The Citric Acid Cycle
10. Aerobic Metabolism II: Electron Transport and Oxidative
Phosphorylation
11. Lipids and Membranes
12. Lipid Metabolism
Part II — Metabolic Integration
13. Photosynthesis
14. Nitrogen Metabolism I: Synthesis
15. Nitrogen Metabolism II: Degradation
16. Integration of Metabolism
Part III — Information
17. Nucleic Acids
18. Genetic Information
19. Protein Synthesis
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CHAPTER ONE
BIOCHEMISTRY: AN INTRODUCTION
1) The ultimate source of energy for life on earth is .
A) The sun
B) Geothermal heat
C) Carbohydrates
D) Fats
E) Other organisms
Ans A
2) Which of the following is not a common component of biomolecules?
A) Carbon
B) Hydrogen
C) Oxygen
D) Nitrogen
E) Chlorine
Ans E
3) Which of the following is the basic structural unit of living organisms?
A) Nucleus
B) Cell membrane
C) Tissue
D) Cell
E) Cytoskeleton
Ans D
4) Which of the following is not an organelle?
A) Mitochondria
B) Chloroplast
C) Nucleus
D) Plasma membrane
E) Golgi complex
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Ans D
5) Which of the following is not a role played by carbohydrates in living cells?
A) Energy source
B) Structural support
C) Intercellular communication
D) Both A and B are correct
E) All are roles played by carbohydrates in living cells
Ans D
6) Metabolism is best defined as the .
A) Reactions of living cells
B) Reactions that synthesize large molecules in living cells
C) Reactions that degrade molecules in living cells
D) Conversion of food molecules to energy
E) Reactions that synthesize and degrade molecules in living cells
Ans E
7) The average life span of a species is about years
A) One million
B) Ten million
C) Five hundred thousand
D) Five million
E) One hundred thousand
Ans A
8) Which of the following is not a waste product of living organisms
A) Carbon dioxide
B) Water
C) Urea
D) Ammonia
E) Glycine
Ans E
9) Biochemistry is defined as