Cells

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=**[|mitochondria]**=

-circular, rod-shaped or football shaped depending on cell -1000/cell -provide ENERGY to cell (via respiration) "Power Plant"

=**ribosomes**=

-very very small organelles -1000's/cell -produce proteins -located in cytoplasm (free-moving) or attached to the ER (called "rough ER" when ribosomes present) "Cow Factory"

=endoplasmic reticulum (E.R.)=

-large membranous organelle -takes up almost 1/2 volume of cell! -modifies proteins made by ribosomes -creates fats (lipids) -carries materials through cytoplasm "Jello Skin"

=Golgi apparatus=

-stack of deflated balloons -dozen/cell -packs & exports proteins to other cells or outside cell "Canada Post"

=lysosomes=



-__** only in ANIMAL CELLS **__ (although some biologists argue that they are very rare in plant cells) -formed by Golgi appartus -small vesicles containing digestive enzymes -clean & patrol the cytoplasm -destroy harmful substances (i.e. invading bacteria, damaged cells) "Custodian"