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  • Book
    David Ohrvall.
    Summary: Crack the Case System shows you how to master the core skills you need for conquering the toughest interview of your career: the case interview. Favored by top consulting firms and many Fortune 500 companies, a case interview is a rigorous test of your analytical skills, business savvy and personal presentation. David Ohrvall, former Bain & Company management consultant, has trained over 50,000 top MBAs and undergrads at elite business schools around the world in his legendary Crack the Case Workshops. In Crack the Case System, David delivers a complete training program, including over 40 cases and 160 companion videos that take you deeper into key concepts and show you how star candidates approach a variety of case questions.
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    BioSciences Career Center Collection (Duck Room)
    Consult 108
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  • Article
    Anderson ML.
    Nucleic Acids Res. 1978 Nov;5(11):4343-54.
    When thymine auxotrophs are grown in the presence of methyl labelled [3H] or [14C] thymine which has been stored at 4 degrees C, two classes of material are labelled which are not DNA. One class sediments on neutral sucrose gradients with spontaneously single stranded Okazaki pieces, is unstable in alkali, migrates on alkaline gels as very small material and is digested by ribonucleases and micrococcal nuclease, but not by DNAase I. This class is presumably RNA. The second class sediments more slowly on both neutral and alkaline sucrose gradients than Okazaki pieces, but co-migrates on alkaline gels with DNA whose size is between 700 and 4000 nucleotides. It is not digested by alkali, ribonucleases or deoxyribonucleases. Its identity is unknown. The proportion of the total incorporated counts in these two classes depends on the time of storage of the thymine and is already sufficient to interfere with certain types of experiments when the thymine is only a few weeks old. Thymine is easily purified by paper chromatography and this purified thymine does not label the two non DNA classes of material. It is recommended that radioactive thymine be purified in this way before use.
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