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: Microbiology
Color of granule of actinomycetes- 
Select and explain. 
A. Black, B. Yellow, C. Red, D. Brown
B: Yellow
Answer: B: Yellow 
Explanation: Sulfur granules in Actinomyces exhibit white to yellow color.