BIO204 MIDTERM SOLVED PAPERS GET PDF PAPERS FILES FROM THE BELOW LINK:
Principles of Biochemical Engineering:
Molecular biology is a very young biological discipline and has a very short history. Some notable achievements of molecular biologists can be summarized as follows: in 1928 F. Griffith discovered the phenomenon of transformation in bacteria. 1934 M. Schlesinger proved that bacteriophages are composed of DNA and protein.
1941 G.W. Beadle and E.L.Tatum published their classic study on biochemistry genetics of Neurospora.
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1944 O.T. Avery, C.M. MacLeod, and M. McCarthy recognized the nature of the DNA principle of transformation of pneumococcal bacteria. The reality suggested it was DNA and it wasn’t a protein that is an inherited chemical.
1948 A. Boivin, R. Vendrely, and C. Vendrely showed that in different cells the amount of DNA for each haploid set of chromosomes is constant.
BIO204 MIDTERM SOLVED PAPERS:
1950 E. Chargaff proved that there are numbers of adenine and thymine groups in DNA are always the same, as are the numbers of guanine and cytosine groups. 1952 A.D. Hershey and M. Chase demonstrated that only the DNA of bacteriophage T2 enters the host, the bacterium Escherichia coli, while the protein remains behind.