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: Pathology
Granularity of oncocyte is due to? 
Select and explain. 
A. Overabundance of golgi bodies, B. Overabundance of mitochondria, C. Deficiency of mitochondria, D. Deficiency of golgi bodies
B: Overabundance of mitochondria
Answer: B: Overabundance of mitochondria 
Explanation: None