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: Physiology
True about fatty acid synthesis 
Select and explain. 
A. Occurs in mitochondria, B. Occurs in cytosol, C. Occurs in endoplasmic reticulum, D. Occurs in ribosomes
B: Occurs in cytosol
Answer: B: Occurs in cytosol 
Explanation: Reactions that take place in 
Mitochondrion

TCA cycle/ Citric acid cycle
Beta oxidation of fatty acids
Ketogenesis
Respiratory chain
Part of Gluconeogenesis & Urea cycle

 Cytosol

Glycolysis/EMP 
Pentose phosphate pathway
Fatty acid synthesis
Part of Gluconeogenesis & Urea cycle
Glycogenolysis