NEET Biology question

In Hershey and Chase experiments, radioactive ³²P was used to culture bacteriophages which resulted in radioactive

(A)Viral DNACorrect
(B)Bacterial capsule
(C)Viral proteins
(D)Plasma membrane of bacteria

Answer: (A)

Solution

³²P labels the phosphate backbone of nucleic acid, so phages grown with radioactive ³²P incorporate the label into their DNA; when these phages infect bacteria, the radioactivity

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Question ID VK-120611