Questions
Viruses of bacteria grown in the presence of radioactive phosphorus contained:
a
Radioactive DNA
b
Radioactive protein
c
Radioactive lipids
d
Radioactive polysaccharides
detailed solution
Correct option is A
Viruses of bacteria grown in the presence of radioactive phosphorus contained radioactive DNA but not radioactive protein because DNA contains phosphorus but protein does not. Similarly, viruses grown on radioactive sulfur contained radioactive protein but not radioactive DNA because DNA does not contain sulfur.Talk to our academic expert!
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