HDWK Activity CH12 Questions and Answers Latest Update | 2024/2025 | Rated A+

HDWK Activity CH12 Questions and Answers Latest Update | 2024/2025 | Rated A+ **Which element besides nitrogen could have been utilized to label DNA in this experiment?** **Sulfur (S) could have been used to tag DNA.** **In the Meselson-Stahl experiment, was the DNA circular or linear in shape?** **The DNA was circular in shape.** **What do the bands in the test tubes represent?** **The bands represent double-stranded DNA molecules.** **If bacteria were grown for many generations in 15N and then switched to 14N, and DNA replication is semi-conservative, which test tube corresponds to two generations in the light medium?** **Tube C corresponds to this scenario.** **What fluorescence pattern would you expect to see in a pair of homologous chromosomes grown in the absence of fluorescent nucleotides, as shown in Figure 2?** **Pattern 6, where there is no distinct fluorescence in either chromosome.** **What fluorescence pattern would you expect to see in a pair of homologous chromosomes grown for many generations in the presence of fluorescent nucleotides, as shown in the figure?** **Pattern 1, where both chromosomes show a very distinct dark color.** **What fluorescence pattern would you expect to see in a pair of homologous chromosomes grown for many generations in fluorescent nucleotides and then moved to a medium with non- fluorescent nucleotides for one round of DNA replication, as shown in the figure?** **Pattern 7 is expected in this scenario.** **What fluorescence pattern would you expect to see in a pair of homologous chromosomes grown for several generations in fluorescent nucleotides and then moved to a medium with non- fluorescent nucleotides for two rounds of DNA