1.Under what conditions did Hershey and Chase find radioactivity inside bacterial cells?
(A)only when the phage protein contained radioactive phosphorus
(B)only when the phage RNA contained radioactive phosphorus
(C)only when the phage DNA contained radioactive phosphorus
(D)when both the phage protein and DNA were labeled
Answers: 3
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Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? question 8 options: the cold balloon expands and rises. the warm balloon shrinks and sinks. the balloons rise at the same rate. both balloons are the same size. the ballons both rise. the cold ballon is larger than the warm balloon. the warm balloon expands and rises. the cold balloon shrinks and sinks.
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When making her coffee, mrs. jenkins likes to stir in some cream and sugar to give it a pleasant flavor. the ingredients, when combined like this, form a
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1.Under what conditions did Hershey and Chase find radioactivity inside bacterial cells?
(A)only wh...
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