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Organelles and their functions
Each organelle and their function within the cell
11
Biology
Undergraduate 1
10/04/2011

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Term
Nucleus
Definition
Seperates DNA from rest of cell; site of first step in protein synthesis; nucleolus produces ribosomal subunits
Term
Ribosome
Definition
Location of protein synthesis
Term
Rough ER
Definition
Produces proteins destined for secretion from the cell
Term
Smooth ER
Definition
Synthesizes lipids; detoxifies drugs and poisons
Term
Golgi Apparatus
Definition
Packages materials to be secreted; produces lysosomes
Term
Lysosome
Definition
Dismantles and recycles components of food, debris, captured bacteria, and worn-out organelles.
Term
Central Vacuole
Definition
Produces turgor pressure; recycles cell contents; contains pigments
Term
Peroxisome
Definition
Disposes of toxins; breaks down fatty acids; eliminates hydrogen peroxide
Term
Chloroplasts
Definition
The site of photosynthesis in plant cells
Term
Mitochondria
Definition
Use cellular respiration to extract energy from food.
Term
Cytoskeleton
Definition
Transports organelles within cell; maintains cell shape; basis for flagella/cilia; connects adjacent cells
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