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- 1. Multiple ChoiceWhat is meant that DNA replication follows a “semi-conservative” model?After DNA replication, each strand contains one side that is a parental strand and the other side is a daughter strand.After DNA replication, one completed strand contains only parental DNA while the other contains only daughter DNA.None of these identify the “semi-conservative” model.After DNA replication, one completed strand contains a mixture of both parental DNA and daughter DNA dispersed throughout the strand.
- 2. Multiple ChoiceWhich scientists determined that DNA was a double helix?Franklin & WatkinsHershey & ChaseMeselson & StahlWatson & Crick
- 3. Multiple ChoiceWhich scientist(s) determined that DNA replication was a semi-conservative process?Meselson & StahlGriffithHershey & ChaseChargaff
- 4. Multiple ChoiceThymine makes up 42% of the nucleotides in a sample of DNA from an organism. Approximately what percentage of the nucleotides in this sample will be cytosine?42%31%16%8%
- 5. Multiple ChoiceIn an analysis of the nucleotide composition of DNA, which of the following will be found?A = CA = G and C = TA + C = G + TG + C = T + A
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