(a) What is Central dogma? Who proposed it?
(b) Describe Meselson and Stahl's experiment to prove that the DNA replication is tsemi-conservative.

(a) What is Central dogma? Who proposed it? (b) Describe Meselson and Stahl's experiment to prove that the DNA replication is semi-conservative.

Meselson and Stahl's Experiment proved:

Explain the Meselson and Stahl's experiment for semi conservative replication of DNA.

which statement explains why DNA replication is described as semi - conservative ?

The experiments that proved the DNA in chromosomes also replicate semiconservatively were conducted by

In the year 1958,Matthew meselson and franklin stahl proved the semiconservative replication of DNA in a

Describe Meselson and Stahl's experiment that was carried in 1958 on E. Coli. Write the conclusion they arrived at after the experiment.

Describe Meselson and Stahl's experiment that was carried in 1958 on E. Coli. Write the conclusion they arrived at after the experiment.

Answer the following questions based on Meselson and Stahl's experiment of E. coli : (a) Write the name of the chemical substance used as the only source of nitrogen in the experiment. (b) Why did they allow the synthesis of the light and the heavy DNA molecules in the organism ? (c ) How did they distinguish the heavy DNA molecules from the light DNA molecules? Explain. (d) Write the conclusion the scientists arrived at, at the end of the experiment.

(a) state the central dogma as proposed by francis crick are there any exceptions to it ? Suppport your answer with a reason and an example (b) Explain how the biochemical chraterisation (nature) of Transforming pronciple was determined which was not defined from Griffith 's experiments