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Cell Organelles Vocab
RHS Cell Organelles Vocab from Summer Packet
18
Biology
9th Grade
08/05/2014

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Term
Nucleus
Definition
Membrane-bound organelle that contains most of the cell's DNA
Term
Golgi Apparatus
Definition
Membranous organelle that modifies and ships cell products
Term
Chloroplast
Definition
Site of photosynthesis
Term
Perioxisome
Definition
Breaks down harmful substances in the cell
Term
Ribosome
Definition
Site of protein synthesis. Found in both prokaryotic and eukaryotic cells
Term
Flagella
Definition
Long tail-like protrusion from a cell for cell movement
Term
rER
Definition
Membrane-bound organelle that is continuous with the nuclear membrane and modifies proteins
Term
sER
Definition
Synthesizes fats and helps detoxify the cell
Term
Central Vacuole
Definition
Stores water and nutrients in plant cells
Term
Contractile Vacuole
Definition
Expels water
Term
Food Vacuole
Definition
Stores food
Term
Cytoskeleton
Definition
Protein fibers throughout the cell for support and organized movement of organelles
Term
Cell Membrane
Definition
Found on all cells outside the cytoplasm which only allows certain molecules in and out of the cell
Term
Cytoplasm
Definition
Gel-like interior of cells
Term
Mitochondria
Definition
Makes cellular energy (ATP)
Term
Lysosome
Definition
Membrane-bound organelle that contains digestive enzymes
Term
Cell Wall
Definition
Rigid outer covering of some cells for protection and support
Term
Cilia
Definition
Small hair-like protrusions on the surface of some cells for attaching to surfaces and movement
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