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8 Organelles

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Organelles
-Special tiny parts, floating in the cytoplasm
-Each has a specific form and function (shape and job)
-They carry out all life processes
Nucleus
-Round or oval, found in the center of a cell, often dark
-Surrounded by a nuclear membrane (nuclear envelope) with nuclear pores
-Contains chromosomes (DNA)
-Controls cell functions and reproduction
-Can contain a nucleus (which makes the ribosomes)
Mitochondria
-Round or ovals pods with long inner folded membranes
-Provide energy for a cell by releasing the energy into food
Endoplasmic Reticulum
-Folded membranes forming tubes and canals
-Transports materials throughout a cell
Smooth ER
-no ribosomes
Rough ER
-does have ribosomes
Ribosomes
-Made in the nucleus
-Small round dark organelles found in the cytoplasm and on rough ER
-Makes proteins for the cell
Golgi Bodies
-Stacks of flattened membrane sacs
-Receive materials, repackage and distribute to other parts of the cell
Lysosomes
-Small sacs
-Contain chemicals that break down food, waste or old cell parts
-Ex: absorption of tadpole tales
Vacuoles
Sacs of storage for different substances
-Food vacuoles
-Water vacuoles
-Waste vacuoles
In plants, mature cells have a Central Vacuole (contains sap, amino acids, pigments and sugars)
Chloroplasts
-large organelles found in plant cells
-green from chlorphyll
-trap energy from sun, convert it to food (photosynthesis)