Which ketone body is not a true ketone, and what is its name?
QUESTION
Which shuttle transports long-chain fatty acyl groups into the mitochondrial matrix for β-oxidation?
QUESTION
What is the key additional enzyme needed for polyunsaturated fatty acid oxidation beyond isomerase?
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ANSWER
2,4-Dienoyl-CoA reductase (uses NADPH). 2,4-Dienoyl-CoA reductase reduces conjugated double bonds using NADPH, enabling isomerase and hydratase to process polyunsaturated chains in beta-oxidation.