Study Organelles Flash Cards

 
Pile Management Card
Organelles

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Nucleus
Double membraned structure containing cellular DNA organized into chromosomes

Function: Storage and processing of genetic material
Mitochondria
Double membraned structure filled with metabolic enzymes

Function: Converts 95% of organic energy into cellular energy (ATP)
Peroxisomes
Vesicles containing degradative enzymes

Function: Catabolism of fats and other organic compounds
Lysosomes
Vesicles containing digestive enzymes

Function: Intracellular removal of damaged organelles and /pathogens
Golgi Apparatus
Stacks of flattened membranes (saccules)

Function: Storage, alteration, and packaging of newly synthesized proteins
Endoplasmic Reticulum (Smooth)
Network of membranous channels (cisternae)

Function: Lipid and carbohydrate synthesis without ribosomes attached
Endoplasmic Reticulum (Rough)
Network of membranous channels with attached ribosomes

Function: Modification and packaging of newly synthesized proteins
Ribosomes
RNA and protein structures (attached to endoplasmic reticulum and free in cytoplasm)

Function: Protein synthesis
Cilia
Mobile membrane extensions containing microtubules

Function: Movement of materials over cell surface
Centrioles
Microtubule subunits

Function: Essential for the movement of chromosomes during division (form the spindle apparatus), organize cytoskeleton
Microvilli
Non mobile membrane extensions containing microfilaments

Function: Increase surface area to facilitate absorption of extra-cellular materials
Cytoskeleton (Microtubules and Microfilaments)
Proteins organized in filaments

Function: Strength and support, movement of cellular structures and materials
Cytosol
Fluid component of cytoplasm

Function: Distributes materials by diffusion
Cell Membrane
Lipid bilayer, containing phospholipids, steroids, and proteins

Function: Isolation, protection, sensitivity support, control of entrance/exit materials
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