The Isomerization of Citrate to Isocitrate

question 35

Multiple Choice

The isomerization of citrate to isocitrate

• A)is the reaction of the citric acid cycle that occurs spontaneously without enzymatic catalysis.
• B)protects cells from the toxic effects of arsenite ion.
• C)converts a tertiary alcohol,which cannot easily be oxidized,to a secondary alcohol that can be oxidized.
• D)is one major regulatory step for the citric acid cycle because it functions as a rate limiting step.
• E)A and B

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