. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 168 GORDON F. LEEDALE 80-. 6am 12N. 6pm 12M. 6am darkness. Time FIGURE 4. Once mitosis had begun, it proceeded to conclusion even if the dividing cell was then subjected to light. However, if light was introduced less than an hour after the onset of darkness, no mitosis occurred. If a dark period of more than one hour followed a full-length day and artificial light was then introduced, some cells underwent a complete mitotic division, though on first examination no cells could be found in mitosis, not even in prophase. Eugle
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 168 GORDON F. LEEDALE 80-. 6am 12N. 6pm 12M. 6am darkness. Time FIGURE 4. Once mitosis had begun, it proceeded to conclusion even if the dividing cell was then subjected to light. However, if light was introduced less than an hour after the onset of darkness, no mitosis occurred. If a dark period of more than one hour followed a full-length day and artificial light was then introduced, some cells underwent a complete mitotic division, though on first examination no cells could be found in mitosis, not even in prophase. Euglena gracilis was the only species in which the time and rate of mitosis in biphasic culture could be compared with those in a rich liquid medium. The. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report 1907/08-1952; Lillie, Frank Rattray, 1870-1947; Moore, Carl Richard, 1892-; Redfield, Alfred Clarence, 1890-1983. Woods Hole, Mass. : Marine Biological Laboratory
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