BIO 201 FINAL EXAM REVIEW QUESTIONS AND ANSWERS | LATEST VERSION | 2024/2025 | 100% VERIFIED
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Course
BIO 201
Institution
BIO 201
BIO 201 FINAL EXAM REVIEW
QUESTIONS AND ANSWERS | LATEST
VERSION | 2024/2025 | 100% VERIFIED
What is the function of the nucleolus within the nucleus?
The nucleolus is responsible for synthesizing ribosomal RNA (rRNA) and assembling
ribosomal subunits.
How do plant cells differ from an...
BIO 201 FINAL EXAM REVIEW
QUESTIONS AND ANSWERS | LATEST
VERSION | 2024/2025 | 100% VERIFIED
What is the function of the nucleolus within the nucleus?
✔✔ The nucleolus is responsible for synthesizing ribosomal RNA (rRNA) and assembling
ribosomal subunits.
How do plant cells differ from animal cells in terms of organelles?
✔✔ Plant cells have chloroplasts and a central vacuole, which are not present in animal cells.
Additionally, plant cells have a rigid cell wall.
What is the process of apoptosis, and why is it important?
✔✔ Apoptosis is programmed cell death that eliminates damaged or unnecessary cells,
maintaining tissue homeostasis and preventing diseases.
1
,How does the fluid mosaic model describe the cell membrane?
✔✔ The fluid mosaic model describes the cell membrane as a dynamic structure with a fluid-like
lipid bilayer and embedded proteins that move laterally.
What role does ATP play in cellular metabolism?
✔✔ ATP serves as the primary energy currency of the cell, providing energy for various cellular
processes, including active transport and biosynthesis.
How do different types of cell junctions function in multicellular organisms?
✔✔ Tight junctions create a seal between cells to prevent leakage, desmosomes provide
mechanical strength, and gap junctions allow communication between cells.
What is the purpose of cellular respiration, and where does it occur in the cell?
✔✔ Cellular respiration converts glucose and oxygen into ATP, carbon dioxide, and water. It
primarily occurs in the mitochondria.
2
, What is the role of chaperone proteins in the cell?
✔✔ Chaperone proteins assist in the correct folding of newly synthesized proteins and prevent
aggregation.
How do endocytosis and exocytosis differ?
✔✔ Endocytosis is the process of taking in substances by forming vesicles from the cell
membrane, while exocytosis involves the expulsion of substances through vesicle fusion with the
membrane.
What is the significance of crossing over during meiosis?
✔✔ Crossing over increases genetic diversity by exchanging genetic material between
homologous chromosomes during meiosis.
Define metabolism: ✔✔the chemical processes that occur within a living organism in order to
maintain life.
3
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