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Chapter 11 Energy Metabolism: Respiration (Energy Yield (ATP, NADH, FADH),…
Chapter 11 Energy Metabolism: Respiration
Energy Yield
ATP
NADH
FADH
Respiratory Quotient
=CO2 liberated/O2 consumed
respiratory metabolism
Respiration
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Types of Respiration
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Aerobic
Obligate aerobes -die w/o Oxygen
Requires Oxygen as Final E- Acceptor
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MORE EFFICIENT
Glycolysis
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Citric Acid Cycle
Oxidative Phosphyloration
Electron Transport Chain
chemiosmotic gradient of hydroxyl ions and protons
Relates backwards w/ Glucogeneosis
NaDH
Lithotrophs
autotroph
heterotroph
Anaerobic
Obligate Anaerobe -Oxygen Kills
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Glucose is broken down= 2ATP (FERMENTATION)
LESS EFFICIENT
ATP uses
protein synthesis
nucleic acid replication
microtubule assembly
ion transport
Without Oxygen
Thermogenic Resp.
babies
brown fat
Pentose Phosphate Pathway
Meristematic cells produce ribose
Lipids
Catabolic metabolism
Glycerol
3 Fatty Acids
Beta Oxidation
Acetyl CoA
Heat Generating Respiration
Environmental and Internal Factors
Temperature
Increase
Decrease Resp.
Decrease
Increase Resp.
Lack of Oxygen
nightime= NO oxygen production
Internal Regulation
-process that breaks down complex carbon into simpler molecules & generates ATP
Common Electron Acceptors =
Oxygen (ABUNDANT, H2O product)
Acetaldehyde (Plants) =toxic product ETHANOL
Pyruvate(Animals) =toxic product LACTATE
Beer
yeast
Fermentation of Alcoholic Beverages
Spirits
Wine
Result of Resp.= Reverse of Photosynthesis
Photosynthesis=Light RXNS
chlorophyl
Autotrophs
Factors Affect the Type of Respiration
Faculative organisms can operate under both conditions (Aerobic/Fermentation)
Related
identical step
Other Acceptors
