Describe Meselson’s and Stahl’s experiment to explain semiconservative mode of replication.

Write a note on semiconservative mode of DNA replication.

Which property' of DNA double helix Jed Watson and Crick to hypothesise semi-conservattve mode of DNA replication? Explain.

If Meselson and Stahl's experiment is continued for four generations in bacteria, the ratio of 15_N//15_N : 15_N//14_N : 14N_//14N containing DNA in the fourth generation would be:

Describe Lederberg’s replica plating experiment.

Describe Miller and Urey’s simulation experiment for organic synthesis.

Write and explain Mendel’s law of segregation.

Describe the shapes of 2s and 2pz atomic orbitals.