Cell Biology Basics

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Cell Membrane

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A barrier that encloses the cytoplasm and controls what enters and exits the cell

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Cytoplasm

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Jelly-like material inside the outer membrane of a cell that holds the nucleus and organelles

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Nucleus

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Controls the cell and contains the DNA

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Cell Wall

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A tough, protective barrier that surrounds the outer membrane of some types of cells

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Chloroplast

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The site of photosynthesis

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Mitochondria

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Produces energy for the cell

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Vacuole

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Water-filled organelle present in all plant cells and some animal cells.