Test Bank for Biochemistry: Concepts and Connections 2nd Edition by Dean R. Appling | Complete Exam Questions, Answers & Detailed Rationales

TEST BANK
Biochemistry: Concepts and Connections

Dean Appling

2nd Edition

All Chapters Complete (Questions with Verified Answers)

,Table of Contents
Part I: Foundations
1. Biochemistry and the Language of Chemistry
2. The Chemical Foundation of Life: Weak Interactions in an Aqueous Environment
3. The Energetics of Life
Part II: Biomolecules
4. Nucleic Acids
5. Introduction to Proteins: The Primary Level of Protein Structure
6. The Three-Dimensional Structure of Proteins
7. Protein Function and Evolution
8. Enzymes: Biological Catalysts
9. Carbohydrates: Sugars, Saccharides, Glycans
10. Lipids, Membranes, and Cellular Transport
Part III: Metabolism
11. Chemical Logic of Metabolism
12. Carbohydrate Metabolism: Glycolysis, Gluconeogenesis, Glycogen Metabolism, and the
Pentose Phosphate Pathway
13. The Citric Acid Cycle
14. Electron Transport, Oxidative Phosphorylation, and Oxygen Metabolism
15. Photosynthesis
16. Lipid Metabolism
17. Interorgan and Intracellular Coordination of Energy Metabolism in Vertebrates
18. Amino Acid and Nitrogen Metabolism
19. Nucleotide Metabolism
Part IV: Information Flow
20. Mechanisms of Signal Transduction
21. Genes, Genomes, and Chromosomes
22. DNA Replication
23. DNA Repair, Recombination, and Rearrangement
24. Transcription and Post-transcriptional Processing
25. Information Decoding: Translation and Post-translational Protein Processing
26. Regulation of Gene Expression

,Chapter 1 Biochemistry and the Language of Chemistry

1) The water content in the human body is approximately:
A) 90%.
B) 80%.
C) 70%.
D) 60%.
E) 50%.
Answer: C

2) The four most abundant chemical elements in living systems are:
A) hydrogen, oxygen, sulfur and phosphorus.
B) hydrogen, carbon, nitrogen and oxygen.
C) sodium, potassium, carbon and oxygen.
D) sodium, potassium, nitrogen and sulfur.
E) carbon, nitrogen, oxygen and potassium.
Answer: B
Objective: 1.2

3) Nearly all proteins contain:
A) cobalt.
B) phosphorus.
C) selenium.
D) sulfur.
E) none of the above.
Answer: D
Objective: 1.2
Global LO: G7

4) Which of the following statements is FALSE?
A) Proteins can be structural components of cells.
B) Proteins can transmit signals between cells.
C) Proteins can transport molecules within cells and between cells.
D) Proteins can be both hormones and hormone receptors.
E) Proteins are the only biological polymer that can catalyze biochemical reactions.
Answer: E
Objective: 1.2
Global LO: G7

, 5) Which of the following is NOT classed as a lipid?
A) Cholesterol
B) Palmitic acid
C) Glycerol
D) Phosphatidyl serine
E) Triacylglycerol
Answer: C
Objective: 1.2
Global LO: G7

6) Amino acids and simple organic compounds like carbon dioxide and hydrogen cyanide cannot
be produced without the use of enzymes.
Answer: FALSE
Objective: 1.2
Global LO: G7

7) Oxidation-reduction reactions, which are the basis of many biochemical reactions and
pathways, cannot take place in the absence of oxygen.
Answer: FALSE
Objective: 1.2
Global LO: G7

8) Many biochemical reactions that form biopolymers from monomeric units involve the
removal of water.
Answer: TRUE
Objective: 1.2
Global LO: G7

9) The principle component of a biological membrane is a triglyceride.
Answer: FALSE
Objective: 1.2
Global LO: G7

10) The chemical element has a role in both transfer of energy as well as in the
structure of nucleic acids.
Answer: phosphorus
Objective: 1.2
Global LO: G7

11) List the four major classes of biological macromolecules.
Answer: lipids, carbohydrates, proteins, nucleic acids
Objective: 1.2
Global LO: G7