Biol1020-9.29-organelles

Biol1020-9.29-organelles - ancient bacteria that became...

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9/29 Organelles Lysosomes Microbodies: Peroxisome Single membrane bound compartment Contains oxidative enzymes which breakdown (oxidate) fatty acids.v Glyoxysome Found in plants Fatty acids sugar Mitochodrion/Mitochondria Represents powerhouses of the cell because these are the sites where ATP is manufactured Food is burned (oxidized) and ATP is manufactured Has a double-membrane Cristae create a surface area in the mitochondria so that many (specific) enzymes can anchor to it. More active cells have more mitochondria than less active cells. Mitochondria have their own DNA, called DNAase, and ribosomes They are semiautonomous-“semi-independent” They are basically bacteria cells: Endosymbiotic hypothesis: Says that the mitochondria represent descendents of
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Unformatted text preview: ancient bacteria that became entrapped by eukaryotic cells. Mitochondrial myopathy: Inherited disease by the maternal line of DNA where mitochondria does not make enough ATP Plastids Chloroplasts Found in plants and algae Partake in photosynthesis An endergonic process Converts light energy into food (sugars) 9/29 Double membraned Have their own DNA and ribosomes Same assumptions about the mitochondria have also been considered about the choloroplasts Semiautonomous Cytoskeleton Helps determine and maintain a cells shape Components take part in cellular motility 3 components: microtubules Actin Fibers (microfilaments) Intermediate filaments...
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This note was uploaded on 03/15/2008 for the course BIOL 1020 taught by Professor Dute during the Fall '06 term at Auburn University.

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Biol1020-9.29-organelles - ancient bacteria that became...

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