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
Cy Bromide green dye is used for: 
Select and explain. 
A. HLPR, B. PCR, C. ELISA, D. Immunofluorescence
B: PCR
Answer: B: PCR 
Explanation: Ans. (b) PCR See below Cy Bromide green dye is a dye that binds to minor groove of double stranded DNA and generates fluorescence. Uses: To determine presence of amplified DNA product. For optimizing PCR reaction.