Question

3. (4 points total) Your friend decides to perform an experiment similar to the Hershey-Chase experiment. They prepare the following four infections: i) they label bacteriophage viral protein with radioactive sulfur, ii) they label bacteriophage viral DNA with radioactive phosphorus, iii) they label bacteriophage viral protein with radioactive sulfur and viral DNA with radioactive phosphorus, and iv) they treat bacteriophage with buffer. They then infect separate E. coli with each treatment group, blend/separate the virus from the E.coli with a Vitamix5200, centrifuge to separate the pellet and supernatant, and measure radioactivity in the viral progeny. Circle the graph below that most likely reflects the expected results and explain why you made your selection. A 20 10 i ii iii iv Samples B 20 10 i ii iii iv Samples C 20 10 i ii iii iv Samples D 20 10 i ii iii iv Samples

          3. (4 points total) Your friend decides to perform an experiment similar to the
Hershey-Chase experiment. They prepare the following four infections: i) they label
bacteriophage viral protein with radioactive sulfur, ii) they label bacteriophage viral
DNA with radioactive phosphorus, iii) they label bacteriophage viral protein with
radioactive sulfur and viral DNA with radioactive phosphorus, and iv) they treat
bacteriophage with buffer. They then infect separate E. coli with each treatment
group, blend/separate the virus from the E.coli with a Vitamix5200, centrifuge to
separate the pellet and supernatant, and measure radioactivity in the viral progeny.
Circle the graph below that most likely reflects the expected results and explain
why you made your selection.
A
20
10
i ii iii iv
Samples
B
20
10
i ii iii iv
Samples
C
20
10
i ii iii iv
Samples
D
20
10
i ii iii iv
Samples

3. (4 points total) Your friend decides to perform an experiment similar to the
Hershey-Chase experiment. They prepare the following four infections: i) they label
bacteriophage viral protein with radioactive sulfur, ii) they label bacteriophage viral
DNA with radioactive phosphorus, iii) they label bacteriophage viral protein with
radioactive sulfur and viral DNA with radioactive phosphorus, and iv) they treat
bacteriophage with buffer. They then infect separate E. coli with each treatment
group, blend/separate the virus from the E.coli with a Vitamix5200, centrifuge to
separate the pellet and supernatant, and measure radioactivity in the viral progeny.
Circle the graph below that most likely reflects the expected results and explain
why you made your selection.
A
20
10
i ii iii iv
Samples
B
20
10
i ii iii iv
Samples
C
20
10
i ii iii iv
Samples
D
20
10
i ii iii iv
Samples

Added by Milagros R.

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