This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
Which of the following is false regarding acetyl CoA carboxylase 
Select and explain. 
A. It is the rate limiting enzyme of fatty acid synthesis, B. It is a component of fatty acid synthase complex, C. It is activated by citrate, D. It requires Biotin
B: It is a component of fatty acid synthase complex
Answer: B: It is a component of fatty acid synthase complex 
Explanation: Acetyl CoA carboxylase is not a component of fatty acid synthase complex.
Fatty acid synthase complex has 6 enzymes

Keto acyl synthase
Acetyl malonyl transacylase
Hydratase
Enoyl reductase
Keto acyl reductase
Thioesterase.