Related InterviewSolutions

• Who gave semiconservative mode of DNA replication for the first time in E. coli with the help of `.^(15) N` heavy nitrogen isotope ?A. Watson and crickB. Kornberg and ochoaC. Meselson and stahlD. Luria and Delbruck
• The replication of DNA in eukaryotes commences fromA. one end of chromatid extending to the other endB. the centromeres to either of the ends of chromatidsC. several sites along the DNA of the chromatid simultaneouslyD. both ends of the chromatid simultaneously
• Experiments using N15 (heavy nitrogen) to confirm the semiconserative replication of DNA were carried out byA. Meselson and StahlB. Hershey and ChaseC. Beadle and TautumD. Watson and Crick
• One-gene-one enzyme hypothesis was proposed by :-A. Linus PaulingB. V IngramC. BrennerD. Beadle and Tautum
• Formation of polysome does not require `:`A. rRNAB. mRNAC. tRNAD. snRNA
• If the percentage of A and G is 30% the percentage of T and C isA. 0.4B. 0.7C. 0.3D. 0.5
• The DNA coiled in prokaryotes are maintained byA. histoneB. non-histone proteinC. polyaminesD. Both (b) and ©
• Examples of right handed helix is/areA. A and BB. B and ZC. Both (a) and (b)D. None of these
• Who amongst the following scientists had no contribution in the development of the double helix model for the structure of DNA ?A. Rosalind FranklinB. Maurice wilkinsC. Erwin ChargaffD. Meselson and Stahl
• In prokaryotes the origin is also calledA. ori CB. ori DC. ori BD. ori A