Biology organelle definitions

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Plasma membrane
Controls entry and exit of materials in and out of cell
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Nucleus
Contains most of genetic code and controls cell
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Nuclear envelope
Double layered membrane surrounding nucleus
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Chromatin
Stained chromosomes in nucleus
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Nucleolus
Contains genes for making ribosomal RNA
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Mitochondira
Site of aerobic respiration, powerhouse of the cell
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Chloroplast
Site of photosynthesis in plant cells
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Lysosome
Contains digestive enzymes that undergo programmed destruction
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Golgi apparatus
Sorts newly synthesised proteins
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Ribosomes
Site of protein synthesis
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Vacuoles-animals
Stores excretory/waste products
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Vacuoles-plants
Have digestive enzymes (ones in lysosomes), store waste and poison, maintains cell shape
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Endoplasmic reticulum
An anchor for enzymes, some chemical reactions take place here
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Rough ER
Numerous in cells that make protein, proteins that travel out of cell are made here
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Smooth ER
Site of lipid and carbohydrate metabolism
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Centriole
Associated with nuclear division, makes spindles
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Peroxisome
Helps make hydrogen peroxide
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Flagellum
Help sperm and protists to move
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Cell wall
Provides structure and rigidity, is quite porus
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Other cards in this set

Card 2

Front

Contains most of genetic code and controls cell

Back

Nucleus

Card 3

Front

Double layered membrane surrounding nucleus

Back

Preview of the back of card 3

Card 4

Front

Stained chromosomes in nucleus

Back

Preview of the back of card 4

Card 5

Front

Contains genes for making ribosomal RNA

Back

Preview of the back of card 5
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