Test Bank –
Biochemistry,
By Campbell
10th edition
,Table of contents
Chapter 1: Biochemistry and the Organization of Cells
Chapter 2: Water: The Solvent for Biochemical Reactions
Chapter 3: Amino Acids and Peptides
Chapter 4: The Three-Dimensional Structure of Proteins
Chapter 5: Protein Purification and Characterization Techniques
Chapter 6: The Behavior of Proteins: Enzyme Kinetics and Inhibition
Chapter 7: The Behavior of Enzymes: Allostery, Mechanisms, and Control
Chapter 8: Lipids and Biological Membranes
Chapter 9: Nucleic Acids: How Structure Conveys Information
Chapter 10: Biosynthesis of Nucleic Acids: Replication
Chapter 11: Transcription of the Genetic Code: The Biosynthesis of RNA
Chapter 12: Protein Synthesis: Translation of the Genetic Message
Chapter 13: Nucleic Acid Biotechnology Techniques
Chapter 14: Viruses, Cancer, and Immunology
Chapter 15: The Importance of Energy Changes and Electron Transfer in Metabolism
Chapter 16: Carbohydrates
Chapter 17: Glycolysis
Chapter 18: Release Mechanisms, Storage Mechanisms, and Control in Carbohydrate
Metabolism
Chapter 19: The Citric Acid Cycle
Chapter 20: Electron Transport and Oxidative Phosphorylation
Chapter 21: Lipid Metabolism
Chapter 22: Photosynthesis
Chapter 23: The Metabolism of Nitrogen
Chapter 24: Integration of Metabolism: Cellular Signaling
,CHAPTER 1: Biochemistry and the Organization of Cells
Multile choice
1. Which of the following best defines biochemistry?
A) The study of living organisms in their natural environment
B) The study of the chemical processes and substances occurring within living
organisms
C) The study of the physical properties of biological materials
D) The study of cellular morphology under electron microscopy
Answer: B
Rationale: Biochemistry is specifically concerned with the chemistry of life — the
molecular mechanisms, reactions, and substances within and related to living
organisms.
2. Which cell type lacks a membrane-bound nucleus?
A) Eukaryotic cell
B) Prokaryotic cell
C) Plant cell
D) Fungal cell
Answer: B
Rationale: Prokaryotic cells (bacteria and archaea) lack a true membrane-bound
nucleus; their DNA resides in a nucleoid region.
3. The endomembrane system of eukaryotic cells includes all of the following
EXCEPT:
A) Endoplasmic reticulum
B) Golgi apparatus
C) Mitochondria
D) Lysosomes
Answer: C
Rationale: Mitochondria (and chloroplasts) are not part of the endomembrane
system; they are believed to have originated via endosymbiosis and have double
membranes of distinct origin.
4. Which organelle is primarily responsible for ATP production via oxidative
phosphorylation?
A) Golgi apparatus
, B) Smooth endoplasmic reticulum
C) Mitochondrion
D) Peroxisome
Answer: C
Rationale: The mitochondrion houses the electron transport chain and ATP
synthase, making it the principal site of oxidative phosphorylation.
5. The endosymbiotic theory proposes that mitochondria and chloroplasts
originated from:
A) Invaginations of the plasma membrane
B) Free-living prokaryotes engulfed by ancestral eukaryotic cells
C) Viral integration into the host genome
D) Spontaneous assembly of lipid bilayers
Answer: B
Rationale: The endosymbiotic theory, supported by evidence such as circular DNA
and 70S ribosomes in these organelles, posits that they evolved from engulfed
prokaryotes.
6. Which of the following is a characteristic of the rough endoplasmic reticulum
(RER)?
A) Lipid synthesis
B) Detoxification of drugs
C) Ribosomes studded on its cytoplasmic surface
D) Storage of calcium ions exclusively
Answer: C
Rationale: The RER is distinguished from the smooth ER by the presence of
ribosomes on its cytosolic face, which are involved in synthesizing secretory and
membrane proteins.
7. The Golgi apparatus functions primarily in:
A) DNA replication
B) Modification, sorting, and packaging of proteins and lipids
C) Fatty acid β-oxidation
D) Glycolysis
Answer: B
Biochemistry,
By Campbell
10th edition
,Table of contents
Chapter 1: Biochemistry and the Organization of Cells
Chapter 2: Water: The Solvent for Biochemical Reactions
Chapter 3: Amino Acids and Peptides
Chapter 4: The Three-Dimensional Structure of Proteins
Chapter 5: Protein Purification and Characterization Techniques
Chapter 6: The Behavior of Proteins: Enzyme Kinetics and Inhibition
Chapter 7: The Behavior of Enzymes: Allostery, Mechanisms, and Control
Chapter 8: Lipids and Biological Membranes
Chapter 9: Nucleic Acids: How Structure Conveys Information
Chapter 10: Biosynthesis of Nucleic Acids: Replication
Chapter 11: Transcription of the Genetic Code: The Biosynthesis of RNA
Chapter 12: Protein Synthesis: Translation of the Genetic Message
Chapter 13: Nucleic Acid Biotechnology Techniques
Chapter 14: Viruses, Cancer, and Immunology
Chapter 15: The Importance of Energy Changes and Electron Transfer in Metabolism
Chapter 16: Carbohydrates
Chapter 17: Glycolysis
Chapter 18: Release Mechanisms, Storage Mechanisms, and Control in Carbohydrate
Metabolism
Chapter 19: The Citric Acid Cycle
Chapter 20: Electron Transport and Oxidative Phosphorylation
Chapter 21: Lipid Metabolism
Chapter 22: Photosynthesis
Chapter 23: The Metabolism of Nitrogen
Chapter 24: Integration of Metabolism: Cellular Signaling
,CHAPTER 1: Biochemistry and the Organization of Cells
Multile choice
1. Which of the following best defines biochemistry?
A) The study of living organisms in their natural environment
B) The study of the chemical processes and substances occurring within living
organisms
C) The study of the physical properties of biological materials
D) The study of cellular morphology under electron microscopy
Answer: B
Rationale: Biochemistry is specifically concerned with the chemistry of life — the
molecular mechanisms, reactions, and substances within and related to living
organisms.
2. Which cell type lacks a membrane-bound nucleus?
A) Eukaryotic cell
B) Prokaryotic cell
C) Plant cell
D) Fungal cell
Answer: B
Rationale: Prokaryotic cells (bacteria and archaea) lack a true membrane-bound
nucleus; their DNA resides in a nucleoid region.
3. The endomembrane system of eukaryotic cells includes all of the following
EXCEPT:
A) Endoplasmic reticulum
B) Golgi apparatus
C) Mitochondria
D) Lysosomes
Answer: C
Rationale: Mitochondria (and chloroplasts) are not part of the endomembrane
system; they are believed to have originated via endosymbiosis and have double
membranes of distinct origin.
4. Which organelle is primarily responsible for ATP production via oxidative
phosphorylation?
A) Golgi apparatus
, B) Smooth endoplasmic reticulum
C) Mitochondrion
D) Peroxisome
Answer: C
Rationale: The mitochondrion houses the electron transport chain and ATP
synthase, making it the principal site of oxidative phosphorylation.
5. The endosymbiotic theory proposes that mitochondria and chloroplasts
originated from:
A) Invaginations of the plasma membrane
B) Free-living prokaryotes engulfed by ancestral eukaryotic cells
C) Viral integration into the host genome
D) Spontaneous assembly of lipid bilayers
Answer: B
Rationale: The endosymbiotic theory, supported by evidence such as circular DNA
and 70S ribosomes in these organelles, posits that they evolved from engulfed
prokaryotes.
6. Which of the following is a characteristic of the rough endoplasmic reticulum
(RER)?
A) Lipid synthesis
B) Detoxification of drugs
C) Ribosomes studded on its cytoplasmic surface
D) Storage of calcium ions exclusively
Answer: C
Rationale: The RER is distinguished from the smooth ER by the presence of
ribosomes on its cytosolic face, which are involved in synthesizing secretory and
membrane proteins.
7. The Golgi apparatus functions primarily in:
A) DNA replication
B) Modification, sorting, and packaging of proteins and lipids
C) Fatty acid β-oxidation
D) Glycolysis
Answer: B
