BIOD210 Module 3 – Course Exam Overview
(Respondus Requirement Acknowledged) 2025–
2026 Focus: Anatomy & physiology module
concepts: cellular structure, tissues, and body
system foundations.
BIOD210 Module 3 – Course Exam: 100 Questions & Answers
Category: Cellular Structure & Function
1. What is the primary function of the plasma membrane?
a) Protein synthesis
b) ATP production
c) Regulation of passage of materials into and out of the cell ✓
d) Storage of genetic material
2. Which organelle is known as the "powerhouse of the cell"?
a) Golgi Apparatus
b) Lysosome
c) Mitochondria ✓
d) Rough Endoplasmic Reticulum
3. The site of ribosome assembly within a cell is the:
a) Nucleolus ✓
b) Nucleus
c) Cytosol
d) Golgi apparatus
4. Which of the following is a function of the smooth endoplasmic reticulum?
a) Protein synthesis
b) Lipid synthesis and detoxification ✓
c) ATP production
d) Modification and packaging of proteins
5. The process by which a cell ingests large solid particles, such as bacteria, is called:
a) Pinocytosis
, b) Phagocytosis ✓
c) Exocytosis
d) Facilitated diffusion
6. During which phase of the cell cycle does DNA replication occur?
a) G1 Phase
b) S Phase ✓
c) G2 Phase
d) Mitosis
7. The division of the cytoplasm following mitosis is called:
a) Telophase
b) Cytokinesis ✓
c) Karyokinesis
d) Interphase
8. What is the primary component of the cytosol?
a) Organelles
b) Water ✓
c) DNA
d) Ribosomes
9. A solution that has a higher solute concentration than the cytoplasm of a cell is called:
a) Isotonic
b) Hypotonic
c) Hypertonic ✓
d) Osmotic
10. Facilitated diffusion differs from simple diffusion in that it:
a) Requires energy (ATP)
b) Moves molecules against their concentration gradient
c) Requires carrier or channel proteins ✓
d) Only moves water molecules
11. The sodium-potassium pump is an example of:
a) Simple diffusion
b) Facilitated diffusion
c) Primary active transport ✓
d) Secondary active transport
, 12. Which of the following is NOT a function of membrane proteins?
a) Transport
b) Enzymatic activity
c) Signal transduction
d) Storing cellular nutrients ✓
13. The stage of mitosis where chromosomes line up at the equatorial plate is:
a) Prophase
b) Metaphase ✓
c) Anaphase
d) Telophase
14. Osmosis is the diffusion of:
a) Solutes through a membrane
b) Water across a selectively permeable membrane ✓
c) Ions through a channel protein
d) Glucose with the help of a carrier protein
15. Which organelle contains digestive enzymes to break down macromolecules and cellular
debris?
a) Peroxisome
b) Ribosome
c) Lysosome ✓
d) Mitochondria
16. Transcription, the first step of protein synthesis, occurs in the:
a) Cytoplasm
b) Ribosome
c) Nucleus ✓
d) Golgi apparatus
17. Translation, the process of assembling amino acids into a protein, occurs on the:
a) Nucleus
b) Ribosome ✓
c) Mitochondria
d) Smooth ER
18. The "shipping and receiving" center of the cell is the:
a) Endoplasmic Reticulum
b) Lysosome
(Respondus Requirement Acknowledged) 2025–
2026 Focus: Anatomy & physiology module
concepts: cellular structure, tissues, and body
system foundations.
BIOD210 Module 3 – Course Exam: 100 Questions & Answers
Category: Cellular Structure & Function
1. What is the primary function of the plasma membrane?
a) Protein synthesis
b) ATP production
c) Regulation of passage of materials into and out of the cell ✓
d) Storage of genetic material
2. Which organelle is known as the "powerhouse of the cell"?
a) Golgi Apparatus
b) Lysosome
c) Mitochondria ✓
d) Rough Endoplasmic Reticulum
3. The site of ribosome assembly within a cell is the:
a) Nucleolus ✓
b) Nucleus
c) Cytosol
d) Golgi apparatus
4. Which of the following is a function of the smooth endoplasmic reticulum?
a) Protein synthesis
b) Lipid synthesis and detoxification ✓
c) ATP production
d) Modification and packaging of proteins
5. The process by which a cell ingests large solid particles, such as bacteria, is called:
a) Pinocytosis
, b) Phagocytosis ✓
c) Exocytosis
d) Facilitated diffusion
6. During which phase of the cell cycle does DNA replication occur?
a) G1 Phase
b) S Phase ✓
c) G2 Phase
d) Mitosis
7. The division of the cytoplasm following mitosis is called:
a) Telophase
b) Cytokinesis ✓
c) Karyokinesis
d) Interphase
8. What is the primary component of the cytosol?
a) Organelles
b) Water ✓
c) DNA
d) Ribosomes
9. A solution that has a higher solute concentration than the cytoplasm of a cell is called:
a) Isotonic
b) Hypotonic
c) Hypertonic ✓
d) Osmotic
10. Facilitated diffusion differs from simple diffusion in that it:
a) Requires energy (ATP)
b) Moves molecules against their concentration gradient
c) Requires carrier or channel proteins ✓
d) Only moves water molecules
11. The sodium-potassium pump is an example of:
a) Simple diffusion
b) Facilitated diffusion
c) Primary active transport ✓
d) Secondary active transport
, 12. Which of the following is NOT a function of membrane proteins?
a) Transport
b) Enzymatic activity
c) Signal transduction
d) Storing cellular nutrients ✓
13. The stage of mitosis where chromosomes line up at the equatorial plate is:
a) Prophase
b) Metaphase ✓
c) Anaphase
d) Telophase
14. Osmosis is the diffusion of:
a) Solutes through a membrane
b) Water across a selectively permeable membrane ✓
c) Ions through a channel protein
d) Glucose with the help of a carrier protein
15. Which organelle contains digestive enzymes to break down macromolecules and cellular
debris?
a) Peroxisome
b) Ribosome
c) Lysosome ✓
d) Mitochondria
16. Transcription, the first step of protein synthesis, occurs in the:
a) Cytoplasm
b) Ribosome
c) Nucleus ✓
d) Golgi apparatus
17. Translation, the process of assembling amino acids into a protein, occurs on the:
a) Nucleus
b) Ribosome ✓
c) Mitochondria
d) Smooth ER
18. The "shipping and receiving" center of the cell is the:
a) Endoplasmic Reticulum
b) Lysosome
