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This document provides detailed and structured notes on two key topics: Cell Specialization and Effects of Malfunctioned Organelles. It explains how different cell types perform specific functions for the survival of multicellular organisms and how malfunctioning organelles can disrupt cell and tissue functions.

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EFFECT OF MALFUNCTIONED ORGANELLES

Effect Malfunctioned
Nucleus Loss of control over cell activities, abnormal
growth or death.
Mitochondria Low energy(ATP) production, cell fatigue or
death
Ribosomes Poor protein synthesis, weak enzymes and slow
growth
Endoplasmic Faulty protein/ lipid synthesis, toxins build up.
reticulum
Golgi apparatus Improper protein packaging, secretion problems.
Lysosomes Waste accumulation, cell toxicity, harmful
substances build up, tissue damage.
Vacuole Imbalance of water and waste.
Chloroplast Reduce photosynthesis, less energy and growth .
Cell membrane Loss of control over material transport.
Cytoskeleton Loss of shape and internal transport.
Cell membrane Errors in cell division abnormal daughter cells.

CELL SPECIALIZATION
Importance for the efficient functioning of complex
organisms:
Cell specialization is important for multicellular organisms because
it allows different cells to perform specific jobs, which increases
the organism’s efficiency and complexity.
IMPORTANCE:
Division Of Labour: Each specialized cell performs a particular
function (e.g., nerve cells transmit messages, red blood cells carry
oxygen). This makes the body work more efficiently.
Increased Efficiency And Complexity: By dividing tasks, a
multicellular organism can perform functions more efficiently and
develop into a more complex life form.
Organism Survival: Specialized cells enable the formation of
tissues, organs, and systems (like the nervous and circulatory
systems) that are all essential for the organism to live, grow, and
respond to its environment.

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November 11, 2025
Number of pages
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Written in
2025/2026
Type
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Ms iqra iqbal
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Biology lecture

Welcome to my Biology study hub! Here you’ll find clear, well-organized, and exam-focused notes covering key concepts in cell biology, animal tissues, and plant tissues. Each document explains complex topics in a simple, structured way—perfect for quick revision or in-depth study.

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