What is the role of isomerase in the beta oxidation of unsaturated fatty acids?

• A. Isomerase removes double bonds from the fatty acid chain.
• B. Isomerase introduces a new double bond in the fatty acid chain.
• C. Isomerase rearranges the position of existing double bonds to facilitate beta oxidation.
• D. Isomerase converts cis double bonds to trans double bonds without changing their position.

Answer: (C)