Which Statement Is True About Lactate Dehydrogenase and Malate Dehydrogenase

question 45

Multiple Choice

Which statement is true about lactate dehydrogenase and malate dehydrogenase?

• A)Both enzymes are highly specific for their own substrates.
• B)A single amino acid change can convert lactate dehydrogenase to a malate dehydrogenase.
• C)The naturally occurring enzymes do not have much sequence similarity,but do have closely related three-dimensional structures.
• D)All of the above.

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