Biology: The Unity and Diversity of Life (MindTap Course List)
Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305073951
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 8, Problem 1DAA

Hershey–Chase Experiments The graph shown in FIGURE 8.5 is reproduced from an original 1952 publication by Hershey and Chase. Bacteriophage were labeled with radioactive tracers and allowed 10 infect bacteria. The virus–bacteria mixtures were then whirled in a blender to dislodge any viral components attached to the exterior of the bacteria. Afterward, radioactivity from the tracers was measured.

Chapter 8, Problem 1DAA, HersheyChase Experiments The graph shown in FIGURE 8.5 is reproduced from an original 1952

FIGURE 8.5 Detail of Alfred Hershey and Martha Chase’s 1952 publication describing their experiments with bacteriophage.

“Infected bacteria” refers to the percentage of bacteria that survived the blender.

Before blending what percentage of each isotope. 35S and 32P, was extracellular (outside the bacteria)?

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