Questions and Answers
What is the function of the cell membrane?
What does the nucleus contain?
DNA
What is the cytoplasm?
A thick, watery solution
Where are proteins made in the cell?
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What is the purpose of mitochondria?
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The cell wall is present in both plant and animal cells.
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What is the function of a vacuole?
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What substance do chloroplasts contain?
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Which of these organelles are only found in plant cells?
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Multiple vacuoles are only in plant cells.
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What shape do animal cells typically have?
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What shape do plant cells typically have?
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What molecule carries genetic information?
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What is chlorophyll's role in photosynthesis?
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Study Notes
Plant and Animal Cells Key Features
- Cell Membrane: Semi-permeable barrier; maintains cell structure and regulates material movement in and out.
- Nucleus: The cell's control center; houses DNA and regulates cellular activities.
- Cytoplasm: Viscous fluid that fills the cell, where various cellular processes occur.
- Ribosomes: Site of protein synthesis; can be found freely in the cytoplasm or attached to the endoplasmic reticulum.
- Mitochondria: Known as the "powerhouse" of the cell; responsible for aerobic respiration, converting glucose into usable energy.
- Cell Wall: A rigid layer composed of cellulose, providing strength and structure; unique to plant cells.
- Vacuole: Membrane-bound space filled with sugars and minerals; serves as the cell's storage compartment.
- Chloroplast: Contains chlorophyll for photosynthesis; only found in plant cells.
Genetic Material and Energy
- DNA: Molecule that encodes genetic information essential for growth, development, and function.
- Chlorophyll: Pigment in chloroplasts that captures light energy for photosynthesis; critical for plant energy conversion.
Differences Between Plant and Animal Cells
- Plant Cells: Characterized by a square shape, cell wall, chloroplasts, and a large central vacuole.
- Animal Cells: Typically round in shape; contain multiple small vacuoles instead of a large central one.
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Description
Test your knowledge of plant and animal cell structures with this diagram quiz. Each question covers key components like the cell membrane, nucleus, and mitochondria. Perfect for Year 9 students focusing on cell biology.
