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What is the charge on the superoxide ion?
-1 charge
The enzymes that deal with toxic oxygen containing molecules are?
superoxide dismutase and catalase
What function does catalase have?
to prevent the build up of hydrogen peroxideFunctions of catalaseis a common enzyme found in nearly all living organisms that are exposed to oxygen where it functions to catalyze the decomposition of hydrogen peroxide to water and oxygen.
What is the chemical symbol for superoxide?
KO2, [O2-] being the superoxide anion.
Are ionized particles harmful?
Some are and some are not. One negative ion, the chloride ion, is generally harmless. Another negative ion, the cyanide ion, is highly toxic.
The toxic super oxide ion is converted to harmless oxygen by two enzymes?
catalase, superoxide dismutase
What is the substrate of superoxide dismutase?
The substrate of the superoxide dismutase is the superoxide ion. The superoxide ion is believed to be responsible for the peroxidative hemolysis and lipid peroxidation.
What is the charge on the superoxide ion?
-1 charge
Bacteria that lack enzymes which protect themselves from toxic superoxide ions?
anerobic
The enzymes that deal with toxic oxygen containing molecules are?
superoxide dismutase and catalase
Explain the toxic effect of oxygen on strict anaerobes?
Strict anaerobic organisms die in the presence of oxygen because the presence of oxygen causes them to create superoxide. Superoxide is toxic and is dismantled in aerobes and facultative anaerobes by the presence of superoxide dismutase. However, strict anaerobes do not have this enzyme, leaving the cell with an accumulation of superoxide which will kill the organism.
What function does catalase have?
to prevent the build up of hydrogen peroxideFunctions of catalaseis a common enzyme found in nearly all living organisms that are exposed to oxygen where it functions to catalyze the decomposition of hydrogen peroxide to water and oxygen.
What toxic compound builds up in the cell as a result of electron transport chain?
Superoxide, which is formed when a few electrons inevitably leak out and combine with oxygen.
What is the formula of a compound containing a potassium ion and an oxygen ion?
Potassium oxide = K2O = K+ O-2 Potassium peroxide = K2O2 = K+ O2-2 Potassium superoxide = KO2 = K+ O2-1
What is the chemical symbol for superoxide?
KO2, [O2-] being the superoxide anion.
Are ionized particles harmful?
Some are and some are not. One negative ion, the chloride ion, is generally harmless. Another negative ion, the cyanide ion, is highly toxic.
Is 02 binary compound?
No, O2 is a molecule. However there are oxide ion (O2-), the peroxide ion (O22-), and the superoxide ion (O2-).
