2 archaea cell wall plasma membrane eubacteria no

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Unformatted text preview: es Archaea, Eubacteria & Eukarya (Table 20.2) Archaea Cell Wall Plasma membrane Eubacteria No peptidoglycan Peptidoglycan Branched with ether links Unbranched with ester links Yes Eukarya Yes Operon genes Complex RNA polymerases Simple RNA polymerase Nuclear envelope No No Circular Chromosome Yes Yes Translation DNA/histones Yes No 1st amino acid Methionine Formylmethione Prokaryote diversity Figure 20.15 9 2:39 PM BIO1130 Organismal Biology Page 3 Archean eon None of these organisms reproduce sexually. They are clones of eachother. Microscopes powerfule enought o see them Names base on morphology but diversity that is underneath cannot be identified Morphological diversity Size Shape Mobility Metabolism Cocci Spirillai Bacilli bacteria of different structures have the same organization Flagella allowing them to be mobile All of taxonomy and classification done in biology, it does not work in bacteria, but because of some established genus species names are kept Squares Figure 20.2 BIO1130 Organismal Biology 10 Université d’Ottawa / University of Ottawa 2:39 PM No subdivision of the cytoplasm into any compartemnts Cell wall outside bacteria live at a very optimal surface to volume ratio Bacterial cells Nucleoid Cytoplasm Surface to volume ratio: deals with efficency Pili 1:1 ration between enzyme and ressources increasing a thousand fold the enzyme sitting inside bacteria but the suraface only inccresases 100 fold Volume s making a demand on material for outside...
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