Biology, 24.06.2019 23:30 lberries08
50 ! when researchers use a molecular clock, what are they measuring? a) the time that two species have been evolving independently b) the time that fossils have been buried c) the number of neutral mutations in a genome d) how long ago an organism went extinct
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Biology, 22.06.2019 18:00
How did the work of farmers and breeders in england influence the work of charles darwin
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Biology, 22.06.2019 20:30
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, 22.06.2019 21:00
Me what would happen if a plant could carry out photosynthesis, but not respiration? question 1 options: it would have no food. it would have too much water. it would be unable to capture the energy in sunlight. it could make food but not break it down for energy.
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Biology, 22.06.2019 23:30
Rna primer constructed during dna replication needs to be replaced because rna differs from dna. it contains ( adenine, cytosine, uracil ) instead of ( adenine, guanine, thymine ).
Answers: 3
50 ! when researchers use a molecular clock, what are they measuring? a) the time that two species...
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