Advertisements
Advertisements
प्रश्न
What type of isotopes used in semiconservative replication experiment?
उत्तर
14N i.e. normal (light) nitrogen and heavy isotope of nitrogen N15 was used in semiconservative replication experiment.
संबंधित प्रश्न
Describe the experiment of Hershey and Chase to prove that DNA is the genetic material.
Hershey and Chase Experiment
Answer the following question.
Explain the mechanism of DNA replication with the help of a replication fork. What role does the enzyme ONA-ligase play in a DNA replication fork?
Explain the Griffith’s experiment in detail with diagram.
Genetic material in HIV is in the form of ____________.
The conversion of R-type to S-type of Streptococcus pneumoniae when mixed with heat killed S-type is called ______.
Identify the disease which is NOT transmitted through contaminated food and water.
Study the following statements and select the correct option.
- 'R' strain of S. pneumoniae is nonvirulent, rough, non-pathogenic, and non-capsulated.
- 'S' strain of S pneumoniae is virulent, smooth, pathogenic, and encapsulated.
Who proved that DNA is basic genetic material?
If the DNA of a virus is labelied with 32P and the protein of the virus is labelled with 35S, after transduction which molecules (s) would be present inside the bacterial cells.
Avery, MacLord and McCarty proved that ______.