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Step 9 of the citric acid cycle involves the transformation of fumaric acid to malic acid. This conversion is classified as _____.

a) Dehydration
b) Hydrolysis
c) Decarboxylation
d) Isomerization

1 Answer

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Final answer:

In step 9 of the citric acid cycle, the conversion of fumaric acid to malic acid is classified as isomerization.

Step-by-step explanation:

The conversion of fumaric acid to malic acid in step 9 of the citric acid cycle is classified as isomerization. Isomerization is a process where a compound undergoes a rearrangement of its atoms, resulting in a different structural isomer. In this step, fumaric acid is transformed into malic acid by rearranging the position of the double bond.

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