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Micro Block 3' a

TermDefinition
Facultative Anaerobes Bacteria can oxidize nutrient substrate by respiration and fermentation e.g in Escherichia Coli
Obligate Aerobes oxygen is needed because it's the final electron acceptor of ETC e.g in Mycobacterium Tuberculosis
Obligate Anaerobes Bacteria die in Oxygen Presence e.g Clostridium Tetani
Aerotolerant Anaerobes do not use aerobic metabolism but tolerate oxygen e.g Lactobacilli
Microaerophiles needs oxygen levels of 2-10% e.g Helicobacter Pylori
Anaerobes need oxygen Because They lack Superoxide Dismutase and they lack Catalase / Peroxidase Enzymes
Autotrophs Feed themselves
Heterotrophs gets food from other organisms
Chemotrophs gets energy from redox reaction. Redox reaction are Aerobic respiration, Anaerobic respiration, Fermentation
Phototrophs Use light as energy source
Photoheterotrophs Green Non sulfur bacteria, Purple Non sulfur bacteria
Chemoheterotophs Aerobic respiration, Anaerobic respiration, Fermentation
Photoautotrophs Plants , algae, cyanobacteria use water to reduce CO2. Green sulfur bacteria, Purple sulfur bacteria dont use water
Chemoautotrophs Hydrogen, sulfur, bacteria
Created by: slinger101
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