NEET Biology question

In gel electrophoresis, the separated DNA fragments are visualized after staining the DNA with ...A... followed by exposure to ...B.... Here A and B refer to:

(A)B-galactosidase, Infrared radiation
(B)Ethidium bromide, UV radiationCorrect
(C)Ethidium nitrate, Gamma rays
(D)Ethidium chloride, Radiowave

Answer: (B)

Solution

B-galactosidase is unrelated to DNA staining, and "ethidium nitrate" and "ethidium chloride" with infrared/gamma/radiowave exposure are not the standard protocol,

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-125012