The unequivocal proof that DNA is the genetic | vedclass

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(A) The unequivocal proof that $DNA$ is the genetic material came from the experiments conducted by Alfred Hershey and Martha Chase in $1952$.They wor

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Hershey and Chase

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(A) The unequivocal proof that $DNA$ is the genetic material came from the experiments conducted by Alfred Hershey and Martha Chase in $1952$.They worked with bacteriophages,which are viruses that infect bacteria.They grew some phages in a medium containing radioactive phosphorus $(^{32}P)$ to label $DNA$ and others in a medium containing radioactive sulfur $(^{35}S)$ to label proteins.After allowing the phages to infect $E. coli$ bacteria,they observed that only radioactive phosphorus $(^{32}P)$ was found inside the bacterial cells,indicating that $DNA$ had entered the cell.This confirmed that $DNA$ is the genetic material,not protein.

The unequivocal proof that $DNA$ is the genetic material came from the experiments of:

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