IT is generally accepted that during the growth in length of meristematic plant cells the increase of volume is principally caused by the formation of a big vacuole, whilst the protoplasm does not ...
Copyright, 1927, by the New York Times Company.special Cable To the New York Times. New York Times subscribers* enjoy full access to TimesMachine—view over 150 ...
IT may, perhaps, not be generally known that pollen of flowers affords a convenient example of the circulation of protoplasm. If pollen from a fox-glove be placed in a solution of sugar at ordinary ...
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