Bundle: Biology: The Unity and Diversity of Life, Loose-leaf Version, 14th + LMS Integrated for MindTap Biology, 2 terms (12 months) Printed Access Card
Bundle: Biology: The Unity and Diversity of Life, Loose-leaf Version, 14th + LMS Integrated for MindTap Biology, 2 terms (12 months) Printed Access Card
14th Edition
ISBN: 9781305775480
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 8, Problem 5DAA

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 5DAA, 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.

Do these results imply that viruses inject DNA or protein into bacteria? Why or why not?

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Figure 5: MCF-7 cells were incubated for 24 h with the drug dilution buffer (control) or various concentrations of indibulin. They were then stained with an antibody against α-tubulin (red channel), and Hoechst 33258 (blue channel). Scale bar = 10 μm. Question : Comment Figure 5
Picture below shows the Hershey and Chase experiment. Identify where viral protein and viral DNA would be located by dragging the labels to the correct targets.
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