Answer:
The correct answer is B.It was necessary that each of the two phage components, DNA and protein, be identifiable upon recovery at the end of the experiment
Explanation:
Hershey and chase in his experiment lebelled the T₂ bacteriophage with radioactive sulfur and radioactive phosphorus separately. Then they infect E.coli with T₂phage and separated phage from bacteria by centrifugation.
Because DNA contains phosphorus not protein, cells infected with phage containing radioactive phosphorous showed radioactivity bacause DNA enters the cell not protein confirming DNA is the genetic material and radioactive sulfur was found in supernatant.
Answer:
false
Explanation:
phytoplankton are found in water
The Egrets seem to prefer insects because they ate 66 of them, and 66 was the most visited as well.
Answer: it is carbon dioxide
Explanation:
because as we know the process of photosynthesis is to take in oxygen and give out carbon dioxide in the air .