3 of 30Meselson and Stahl conducted experiments to test three prevailing models for DNA replication. They began by growing E. coli for many generations in medium containing 15N. They then transferred the bacteria intomedium containing only 14N, and allowed the bacteria to undergo two rounds of DNA replication. After each round of replication, the scientists performed density-gradient centrifugation of the DNA.Identify the banding patterns predicted by each model after the second round of replication?Drag the test tubes to the appropriate locations in the table to show the banding patterns that each model predicts. Test tubes may be used once or not at all.ResetHelpModel14N/15N--dispersivesemiconservativeconservativebeginning ofexperiment14N/14N--15N/15N--15N/15N-15N/15N--15N/15N--first14N/14N--replication14N/15N-14N/15N--15N/15N--14N/15N--15N/15N-secondreplication14N/15N14N/14N--14N/15N-

Meselson and Stahl's experiment was done to decipher the mode of replication. For this they used…

Answered: Drag the test tubes to the appropriate…

Drag the test tubes to the appropriate locations in the table to show the banding patterns that each model predicts. Test tubes may be used once or not at all.

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Question

3 of 30
Meselson and Stahl conducted experiments to test three prevailing models for DNA replication. They began by growing E. coli for many generations in medium containing 15N. They then transferred the bacteria into
medium containing only 14N, and allowed the bacteria to undergo two rounds of DNA replication. After each round of replication, the scientists performed density-gradient centrifugation of the DNA.
Identify the banding patterns predicted by each model after the second round of replication?
Drag the test tubes to the appropriate locations in the table to show the banding patterns that each model predicts. Test tubes may be used once or not at all.
Reset
Help
Model
14N/15N--
dispersive
semiconservative
conservative
beginning of
experiment
14N/14N--
15N/15N--
15N/15N-
15N/15N--
15N/15N--
first
14N/14N--
replication
14N/15N-
14N/15N--
15N/15N--
14N/15N--
15N/15N-
second
replication
14N/15N
14N/14N--
14N/15N-

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