객관식
What is the process called that prepares fatty acid substrates to enter the citric acid cycle?
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24. Metabolism and Nutrition
Fatty Acid Oxidation
객관식
What must occur before fatty acids can be metabolized in the process of fatty acid oxidation?
A
Activation by coenzyme A to form acyl-CoA
B
Reduction to form alcohols
C
Conversion into glucose
D
Formation of triglycerides
검증된 단계별 안내1
Understand the process of fatty acid oxidation: Fatty acid oxidation is a metabolic pathway that breaks down fatty acids to generate acetyl-CoA, which enters the citric acid cycle to produce energy.
Identify the initial step required for fatty acid oxidation: Before fatty acids can be metabolized, they must be activated. This involves the conversion of fatty acids into acyl-CoA.
Explain the activation process: Fatty acids are activated by the enzyme acyl-CoA synthetase, which catalyzes the attachment of coenzyme A (CoA) to the fatty acid, forming acyl-CoA.
Discuss the role of coenzyme A: Coenzyme A is crucial for the activation process as it helps in forming a thioester bond with the fatty acid, making it reactive and ready for subsequent steps in the oxidation pathway.
Clarify why other options are incorrect: Reduction to form alcohols, conversion into glucose, and formation of triglycerides are not part of the initial activation step required for fatty acid oxidation.
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