Answer:
The correct answer is- phosphorus and sulfur
Explanation:
Hershey and Chase used radioactive phosphorus and sulfur to label T2 bacteriophage. Then they infected E.coli with these bacteriophage labeled with radioactive phosphorus and sulfur.
After infection, they centrifuge the cell and found that radioactive phosphorus is present in the bottom and radioactive sulfur in supernatant . As sulfur is mostly the part of protein not DNA and is found in supernatant and phosphorus is mostly present in DNA not protein which was found in cell debris, therefore, it was proved that DNA is the genetic material.
Answer:22
Explanation: the egg and sperm join to form the zygote, which gets 11 chromosomes from each gamete
Answer:
Study and believe in yourself,don't give up!
Our main energy source is the sun. what are your options?
All insects belong to the kingdom Animalia and more specifically to the C “phylum” Arthropoda.