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CELLS The smallest organized form of living protoplasm The smallest organized form of living protoplasm Protoplasm: Living matter within a cell Protoplasm:

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Presentation on theme: "CELLS The smallest organized form of living protoplasm The smallest organized form of living protoplasm Protoplasm: Living matter within a cell Protoplasm:"— Presentation transcript:

1 CELLS The smallest organized form of living protoplasm The smallest organized form of living protoplasm Protoplasm: Living matter within a cell Protoplasm: Living matter within a cell Can be one simple organism Amoeba Can be one simple organism Amoeba Millions of cells can make up an organ and have a specific job. This would create a complex organism Millions of cells can make up an organ and have a specific job. This would create a complex organism r%20Plant

2 2 Main Types of CELLS Eukaryotic: Cells with a NUCLEUS Eukaryotic: Cells with a NUCLEUS Plant, Animal, Fungi, & Most Protists Plant, Animal, Fungi, & Most Protists Prokaryotic: Cells WITHOUT a Nucleus Prokaryotic: Cells WITHOUT a Nucleus Bacteria & Archaea Bacteria & Archaea

3 CELL MEMBRANE  Separates cell from its environment  Controls substances passing in and out of cell (analogy: like a window screen) FOUND IN: Plant Cells Animal Cells

4 NUCLEUS  “Command Central” of the cell  Contains chromosomes (analogy: like a brain) like a brain) FOUND IN: Plant Cells Animal Cells

5 CHROMOSOMES  Structures that contain DNA  DNA is instructions for the cell’s activities (analogy: like a recipe) FOUND IN: Plant Cells Animal Cells

6 NUCLEAR ENVELOPE  Membrane that surrounds the nucleus  Lets materials in and out (analogy: like a skull) like a skull) FOUND IN: Plant Cells Animal Cells

7 CYTOPLASM  Jelly-like substance that fills the cell (analogy: like “packing peanuts”) FOUND IN: Plant Cells Animal Cells

8 MITOCHONDRIA  Breaks down food into energy to be used by the cell (analogy: powerhouse of the cell) FOUND IN: Plant Cells Animal Cells lCellStructure/Mitochondria/Mitochondria.htm

9 RIBOSOMES  Small structures that make proteins that the cell needs that the cell needs  Ribosomes use the info from DNA to make the proteins (analogy: factory workers) FOUND IN: Plant Cells Animal Cells

10 ENDOPLASMIC RETICULUM  Tube-like structure that contains ribosomes  ER transports proteins throughout the cell (analogy: roadways or tunnels) FOUND IN: Plant Cells Animal Cells

11 GOLGI BODIES  Packages proteins made by the ribosomes to be sent out of the cell (analogy: the mailroom workers in a factory) FOUND IN: Plant Cells Animal Cells

12 LYSOSOMES  Helps cell digest proteins and old cell parts - they basically clean up the cell (analogy: custodians) FOUND IN: Plant Cells Animal Cells

13 VACUOLES  Storage areas in cell for water, food and waste (analogy: water tank or refrigerator) FOUND IN: Plant Cells (ONE BIG VACUOLE) Animal Cells (MANY SMALL ONES)

14 CELL WALL  Rigid outer layer made of cellulose  Supports and protects plant cells (analogy: wall surrounding a castle) FOUND IN: Plant Cells

15 PLASTIDS  Contain pigments that give plants their color (analogy: human skin tones) FOUND IN: Plant Cells

16 CHLOROPLASTS  Plant cell structures that contain the pigment CHLOROPHYLL (green pigment)  Chlorophyll traps energy from the sun for photosynthesis (analogy: solar panels) FOUND IN: Plant Cells

17 Cell Pictures can be found on the Cells Alive Website Cell Pictures can be found on the Cells Alive Website 17


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