In the Meselson–Stahl experiment that established the semiconservative nature of DNA replication, the ex-traction method produced short fragments of DNA. What sort of results might have been obtained with longer pieces of DNA?
Answer to relevant QuestionsWhat is the difference between s70 and s32? Explain, with diagrams, how transcription attenuation works in the trp operon. What are the functions of TFIIH? Explain the importance of CREB, giving examples of genes activated by it. Give examples of the major structural motifs in DNA-binding proteins, and explain how they bind.
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