BIO 7 - Prokaryotes & Eukaryotes

BIO 7 - Prokaryotes & Eukaryotes - lecture 7 -...

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Sheet1 Page 1 lecture 7 - prokaryotes domains 1. metabolism: production of energy/ breaking down of carbon a. inorganic: co2, ch4 (plant b. carbon --> energy 2. prokaryotes (eubacteria): ability of photosyntesis and other metabolic pathways are evolved independently a. so before, the ancestors were not able to perform this diverse metabolic pathways 3. chlamydia: parasite living within a cell --> pick up some genes from host so that the body's immune system (ie in human) ca n 4. bacteria: positive (purple) and negative gram stain eubacteria: 5. cyanobacteria (free living) : first bacteria to photosynthesize (blue green algae) --> first to produce O2 a. have chlorophyl a fouynd in plant (so plant ancestor were cyanobacteria) b. can function living chloroplast (living mutually with lichen) c. can perform nitrogen fixation (n2 gas --> n solid so can be absorbed) d. grouping and forming long chain of colony --> colorful ie. in flamingo, red sea, reef like structure 6. spirochetes: basal group (base or root ancestor) - ancient
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This note was uploaded on 04/25/2010 for the course BIOLOGY BIO153 taught by Professor Cordon during the Fall '10 term at University of Toronto- Toronto.

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BIO 7 - Prokaryotes & Eukaryotes - lecture 7 -...

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