How atoms in parental dna are distributed to progeny

Reference no: EM133357513

Article: Meselson, Matthew, and Franklin W. Stahl. "The Replication of DNA in Escherichia Coli." Proceedings of the National Academy of Sciences 44 (1958): 671-82.

Questions: Answer the following questions based on the article:

1. State the last names of the authors of the article and the name of the university at which they worked.

2. Vocabulary: a brief definition for each term.

density-gradient centrifugation

generation time

isotope

3. Figure 2 shows two views of the same results. What is the relationship between the UV absorption bands shown in Fig. 2a and the line with two peaks in Fig. 2b?

4. The investigators "anticipated that a label which imparts to the DNA molecule an increased density" (Introduction, paragraph 1) might help reveal how atoms in parental DNA are distributed to progeny DNA molecules. What label did the investigators use to be able to detect differences among molecules?

Reference no: EM133357513

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