Bacteria Metabolism Rachel King, Aly Cutter, and Beth
Bacteria Metabolism Rachel King, Aly Cutter, and Beth Loverdi Overview Heterotrophs, photoheterotrophs, photoautotrophs, and chemoautotrophs all have different ways of gaining energy Eukaryotic cells use photosynthesis Oblique aerobe released by cellular respiration
while oblique anaerobe s released by fermentation Facultative anaerobe uses both How prokaryotic cells release energy How eukaryotic cells convert energy Heterotrophs Take in organic molecules from environment Use for both energy and carbon supply Wide range of environments
Clostridium Beth Loverdi Photoheterotroph Take in organic molecules and use light energy Occurs where there is light Rhodobacter Beth Loverdi
Photoautotroph Use light energy to convert CO2 into carbon compounds Can occur where there is light Anabaena Beth Loverdi
Chemoautotroph Use energy released by chemical reactions Occurs in chemically harsh or dark environments Nitrobacter Beth Loverdi Eukaryotic cells Photosynthesis creates chemical energy Occurs in cytoplasm
Light dependent occurs in granum Dark reaction occurs in stroma Beth Loverdi Obligate Aerobe Requires oxygen Released by cellular respiration Breaks down glucose molecule
RK Obligate Anaerobe Does not require energy Released by fermentation RK Facultative Anaerobe Only uses oxygen when necessary
Uses either Cellular Respiration OR Fermentation RK Cellular Respiration 1) Glycolysis - molecule brake into two pyruvic acid molecules 2) Krebs Cycle - pyruvic acid brake into carbon dioxide 3) Electron Transport Chain - produces majority of ATP
RK Fermentation Cells release energy without Oxygen Oxygen is not Present NADH coverts into NAD+ Occurs in cytoplasm AC
Glycolsis First set of reactions in cellular respiration Glucose breaks, forming two Pyruvic Acid Glycolysis continues to make ATP Bonds break, energy is released AC Alcoholic Fermentation Pyruvic Acid + NADH
Alcohol + CO2 + NAD+ Produces Ethyl Alcohol and Carbon Dioxide Produces Alcoholic Beverages and bread Causes Bread to rise No ATP is produced NAD+ coverts back into Glycolysis AC Lactic Acid Fermentation
Pyruvic Acid + NADH NAD+ Lactic Acid + Our body's produce it (Exercise) Produces Lactic Acid Does not Give Carbon Dioxide Regenerates NAD+ AC
Which does not need light to occur? A: photoheterotroph C: heterotroph B: chemoautotroph oph
D: photoautotr Beth Loverdi What does photosynthesis create? A: light B: chemical energy
C: carbon D: cytoplasms Beth Loverdi Which Doesnt Require Oxygen all the Time? A: Obligate Anaerobes
C: Obligate Aerobes B: Facultative Anaerobe D: None of the above RK Which part of Cellular Respiration releases the most amount of energy?
A: Krebs Cycle C: Electron Transport Chaim B: Glycolysis D: Photosynthesis RK What is the following equation used for?
D: None of the above What Happens during the process of Glycolysis? A: ATP is Made C: Bonds break, energy is released
B: Glucose is made D: all of the above Overview Heterotrophs, photoheterotrophs, photoautotrophs, and chemoautotrophs all have different ways of gaining energy Eukaryotic cells use photosynthesis Oblique aerobe released by cellular respiration while oblique anaerobe s released by fermentation
Facultative anaerobe uses both How prokaryotic cells release energy How eukaryotic cells convert energy
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