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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Definitions:

Decreasing

Refers to a situation where a quantity or level is going down or diminishing over time.

Positive

A term often used in economics and finance to denote values or changes that signify growth, improvement, or gains.

Decreasing

A trend or process of becoming less in size, amount, number, or degree.

Negative

Characterized by or expressing disapproval or pessimism.