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
Carbon atoms added in FA synthesis 
Select and explain. 
A. 2 in Ist cycle & 4 in IInd cycle, B. 4 in Ist cycle & 2 in IInd cycle, C. 2 in Ist cycle & 2 in Ilnd cycl, D. 4 in Ist cycle & 4 in II nd cycle
B: 4 in Ist cycle & 2 in IInd cycle
Answer: B: 4 in Ist cycle & 2 in IInd cycle 
Explanation: B i.e. 4 in Ist cycle & 2 in Hnd cycle