Study Document
ЁЯУС Table of Contents
ЁЯзм 2. Types of Cells (Prokaryotic vs Eukaryotic)
Cells are broadly classified into two categories based on the organization of their nucleus:
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<h3>Prokaryotic Cells</h3>
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<li><strong>Size:</strong> Generally small ($1 - 10 \mu m$).</li>
<li><strong>Nucleus:</strong> Poorly defined (nuclear membrane is absent). Known as <i>Nucleoid</i>.</li>
<li><strong>Organelles:</strong> Membrane-bound organelles are absent.</li>
<li><strong>Example:</strong> Bacteria, Blue-green algae.</li>
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<img src="https://upload.wikimedia.org/wikipedia/commons/thumb/5/5a/Average_prokaryote_cell-_en.svg/800px-Average_prokaryote_cell-_en.svg.png" alt="Prokaryotic Cell Diagram">
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<h3>Eukaryotic Cells</h3>
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<li><strong>Size:</strong> Generally large ($5 - 100 \mu m$).</li>
<li><strong>Nucleus:</strong> Well-defined and surrounded by a nuclear membrane.</li>
<li><strong>Organelles:</strong> Membrane-bound organelles (Mitochondria, Golgi) are present.</li>
<li><strong>Example:</strong> Plant cells, Animal cells, Fungi.</li>
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<img src="https://upload.wikimedia.org/wikipedia/commons/thumb/4/48/Animal_cell_structure_en.svg/800px-Animal_cell_structure_en.svg.png" alt="Eukaryotic Cell Diagram">
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ЁЯФм 3. Important Cell Organelles
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ЁЯОо Quick Quiz: Check Your Knowledge!
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<button onclick="alert('Correct! Mitochondria generates ATP which is the energy currency of the cell.')" class="quiz-btn">
<i class="fas fa-bolt"></i> 1. Which organelle is the Powerhouse of the cell?
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<button onclick="alert('Correct! Robert Hooke discovered the cell in 1665.')" class="quiz-btn">
<i class="fas fa-microscope"></i> 2. Who discovered the cell?
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