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The Cell
Organnelles and Their Functions
13
Biology
10th Grade
09/25/2008

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Term
Nucleus
Definition
-the control center for the cell. (nuclear membrane) -REGULATION
-contains nucleoli
-REGULATION
Term
Nucleolus
Definition
-a dense area inside the nucleus
-contains the DNA
-REGULATION
Term
Cell Membrane
Definition
-It separates the cell from its outer env.
-Controls what enters & leaves the cell.
this is called Semi-permeable.
-REGULATION, TRANSPORT, EXCRETION
Term
Cytoplasm
Definition
-the watery substance between the cell membrane and the nucleus.
-all of the organelles are located here.
Term
Mitochondria
Definition
-releases energy from food
-cellular respiration
-RESPIRATION
Term
Ribosome
Definition
-The site of protein synthesis (the making of protein)
-SYNTHESIS
Term
Endoplasmic Reticulum
Definition
-fluid filled chambers that allow transport of materials
-TRANSPORT
Term
Golgi Complex/Apparatus/Body
Definition
-Stacks of membrane sacks
-processes, packages, and stores cell products for release
-TRANSPORT
Term
Vacuole
Definition
-A fluid filled organelle
-Where nutrients (food and water) and waste are stored.
Term
Lysosome
Definition
-Contains digestive enzymes to break down food.
-NUTRITION
Term
Centriole
Definition
ONLY IN ANIMAL CELLS!
-Functions in cell division.
-REPRODUCTION
Term
Chloroplasts
Definition
ONLY IN PLANT CELLS!
-The site of photosynthesis
-They have a green plant
-NUTRITION
Term
Cell Wall
Definition
ONLY IN PLANT CELLS
-This provides structure and support
-It is located outside of the cell membrane.
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