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Nucleic Acids · Paper 1 — Free Biology SL Practice Questions

1FoundationMCQStructure of DNA and RNA1 markPaper 1~2 min
In the Hershey–Chase experiment, bacteriophages were grown separately in media containing 32^{32}P or 35^{35}S. After infection of bacteria, blending and centrifugation produced a pellet of bacterial cells that was radioactive only when phages had been grown in 32^{32}P medium. Which statement correctly explains this outcome?
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Solutions

2MasteryMCQStructure of DNA and RNA1 markPaper 1~2 min
One strand of a DNA double helix has the sequence 5′-ATGC-3′5'\text{-ATGC-}3'. Which of the following correctly represents the complementary strand?
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Solutions

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