Lecture 12, Ch. 27

Lecture 12 Ch 27 - Lecture#12 Date q Chapter 27~ Prokaryotes and the Origins of Metabolic Diversity Classification q q q Kingdom Monera Domain

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Lecture #12 Date ________ Chapter 27~ Prokaryotes and the Origins of Metabolic Diversity
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Classification Kingdom: Monera? Domain: Bacteria Domain: Archaea Shape •cocci (sphere) •bacilli (rod) •helical (spiral)
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Structural characteristics Cell wall~ peptidoglycan (sugars & proteins); √ Gram + : w/peptidoglycan penicillin action √ Gram - : little peptidoglycan, lipopolysaccharides; most pathogens; impede drug action Capsule: adherence; protection Pili: adherence; conjugation
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Motility 1- Flagella 2- Helical shape (spirochetes) 3- Slime 4-Taxis (movement away or toward a stimulus) QuickTimeQ and a Cinepak decompressor are needed to see this picture.
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Nucleoid region ( genophore : non-eukaryotic chromosome) Plasmids Asexual reproduction: binary fission (not mitosis) “Sexual” reproduction (not meiosis): transformation ~ uptake of genes from surrounding environment conjugation ~ direct gene transfer from 1 prokaryote to
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This note was uploaded on 09/22/2009 for the course BIOL BIOL 51 taught by Professor Janetkoprivnikar during the Spring '08 term at Pacific.

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Lecture 12 Ch 27 - Lecture#12 Date q Chapter 27~ Prokaryotes and the Origins of Metabolic Diversity Classification q q q Kingdom Monera Domain

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