The final proof for DNA as the genetic materi | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(A) The final proof that $DNA$ is the genetic material was provided by Alfred Hershey and Martha Chase in $1952$.They worked with bacteriophages,which

Vedclass · Accepted Answer

Hershey and Chase

Vedclass · Answer

(A) The final proof that $DNA$ is the genetic material was provided by Alfred Hershey and Martha Chase in $1952$.They worked with bacteriophages,which are viruses that infect bacteria.They grew some bacteriophages in a medium containing radioactive phosphorus $(^{32}P)$ to label the $DNA$ and others in a medium containing radioactive sulfur $(^{35}S)$ to label the protein coat.After allowing the phages to infect $E. coli$ bacteria,they agitated the mixture in a blender to remove the viral coats from the bacterial cells.They found that radioactive phosphorus $(^{32}P)$ was present inside the bacterial cells,indicating that $DNA$ had entered the cells,while radioactive sulfur $(^{35}S)$ remained outside,indicating that proteins did not enter the cells.This confirmed that $DNA$ is the genetic material.

The final proof for $DNA$ as the genetic material came from the experiments of

Similar Questions

Frederick Griffith performed a series of experiments on which of the following organisms?

Which of the following radioactive isotopes were utilized for labeling protein and $DNA$ in the transduction experiment,respectively?

Before the work of Avery,MacLeod,and McCarty,what was considered to be the genetic material?

The replica plating experiment was performed by:

Who isolated protein and nucleic acid from nuclein?

Vedclass Test Series

Exam Paper Generator

Online Exam Module