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A comparative study was made of the nucleus of the yeast cell of fermenting cultures in preparations made by using different fixatives and different stains. The results suggest that the bodies identified as chromosomes by Subramaniam and coworkers may be fixation artefacts or complex cytoplasmic inclusions. Endopolyploidy or any other complex cytological phenomena could not be detected. There was no difference between the nuclei of aerobically and anaerobically growing cultures, or between young and old cultures.
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A. T. Ganesan (1956) studied this question.
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