This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: general microbiology, Subject name: Microbiology
Stain specific for DNA staining is 
Select and explain. 
A. Feulgen, B. Malchite green, C. Crystal violet, D. Nigrosin
A: Feulgen
Answer: A: Feulgen 
Explanation: Staining of Nucleoids:Nucleoids are stainable with the Feulgen stain, which is specific for DNA.Ref: Jawetz; 27th edition; Page no: 39