if-we-assume-that-dna-replication-is-according-to-the-conservative-model-startin

Question

If we assume that DNA replication is according to the conservative model. Starting with 14N14N (lighter) DNA, and after two generations in the 15N medium, bacterial cells will produce the following band/s in density-gradient centrifugation.

Accepted Answer

one band of DNA with the highest density and one band of DNA with the lowest density

Answer

A single band of DNA with the lowest density

Answer

A single band of DNA with intermediate density

Answer

A single band of DNA with the highest density

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If we assume that DNA replication is according to the conservative model. Starting with 14N14N (lighter) DNA, and after two generations in the 15N medium, bacterial cells will produce the following band/s in density-gradient centrifugation.