DNA Structure and Replication
Which will require a higher temperature to denature?

RNA with a high G-C content
DNA with a high A-T content
RNA with a high A-T content
DNA with a high G-C content

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DNA Structure and Replication
Taylor, Woods and Hughes labeled Vicia DNA by allowing new DNA synthesis in the presence of radioactive thymine. After DNA replication (S phase of the cell cycle), it was observed that

only one chromatid of a chromosome was labeled
neither chromatid was labeled
both (a) and (b)
both chromatids of a chromosome were labeled

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