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**Central dogma** of molecular biology (Crick, 1958) states the flow of information as:
AProtein → RNA → DNA
BDNA → RNA → Protein
CRNA → DNA → Protein
DDNA → Protein → RNA
Answer & Solution
Correct answer: B. DNA → RNA → Protein
DNA → (transcription) → RNA → (translation) → Protein. (Retroviruses extend this with reverse transcription RNA → DNA, discovered by Temin and Baltimore.)
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