This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: mycology, Subject name: Microbiology
Sulphur granules are composed of 
Select and explain. 
A. Organisms, B. Leucocytes, C. Erythrocytes, D. Keratinocytes
A: Organisms
Answer: A: Organisms 
Explanation: Granules are bacterial colonies and will be found to consist of a dense network of thin gram-positive filaments surrounded by a peripheral zone of swollen radiating club shaped structures - sun Ray appearance ( antigen antibody complex ). Ref: Textbook of Microbiology, Ananthanarayan and Paniker; 9th edition