Biology, 24.01.2020 23:31 sarah02152005
The hershey and chase experiments involved the preparation of two different types of radioactively labeled phage. which of the following best explains why two preparations were required?
a. the bacteriophage used in the experiments was a t2 phage.
b. it was necessary that each of the two phage components, dna and protein, be identifiable upon recovery at the end of the experiment.
c. each scientist had his own method for labeling phage, so each conducted the same experiment using a different isotope.
d. establishing the identity of the genetic material required observation of two phage generations.
Answers: 2
Biology, 21.06.2019 14:50, rylee338
Which of the following is the most likely result of converting forestland to urban development? a. the amount of land available for lumber production decreases. b. fewer trees are needed because cities are made mainly of concrete. c. people discover more efficient ways to grow trees. d. the price of lumber goes down.
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Biology, 21.06.2019 21:10, justiceemani12
Buuy which of the following did you include in your response? organs perform specific functions in the body to keep it alive. organelles perform specific functions in cells to keep them alive. done
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