Set: Mitochondria, Oxidants, Aging

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All 20 terms

TermDefinition
Mitochondria evidence of bacterial origin 1Circular DNA
Mitochondria evidence of bacterial origin 2Reproduce by binary fission
Mitochondria evidence of bacterial origin 3Double membrane
# of mitochondrial genes encoding proteins1500
# of mitochondria genes present in mtNDA37
Mitochondria in average cell300
Decreased mitochondrial activity caused by drugsStatins, Aspirin, Valproic acid, cyanide
OxidantMolecule accepts and electron
Free radicalmolecule with unpaired electron
ROSReactive oxygen species
SuperoxideO2-
DNA/RNA Radical damageGenetic mutations
Protein radical damagedenaturating, unfolding, misfolding
Carb radical damageglycation, non enzymatic binding to proteins
Lipid radical damageperoxidation
Telomere agingROS shortens telomeres, coding DNA gets exposed and lost
Antioxidant enzymesActively decrease oxidant damage potential
Iron SequestrationChelation of iron by proteins
Free Radical ScavengersPassively absorb damage - vitamin A, C, E
Phytochemicalsfree radical scavengers(?)
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Set Information

Terms 20
Creator hpoole13
Created September 8, 2009
Groups None
Subjects None
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