. General physiology; an outline of the science of life. THE MECHANISM OF LIFE 543 been irremediably injured in the division, regeneration is no longer possible, because the necessary molecules and atoms are no longer produced and brought to the necessary place. Hence it is a universal and fundamental fact that non-nucleated pieces of a cell, , pieces into which a fatal disturbance of metabolism has come, do not regenerate lost parts, although under certain circum- stances they are able to live for days. One phenomenon, which some years ago appeared verj^ puzzling, is approximately explain
. General physiology; an outline of the science of life. THE MECHANISM OF LIFE 543 been irremediably injured in the division, regeneration is no longer possible, because the necessary molecules and atoms are no longer produced and brought to the necessary place. Hence it is a universal and fundamental fact that non-nucleated pieces of a cell, , pieces into which a fatal disturbance of metabolism has come, do not regenerate lost parts, although under certain circum- stances they are able to live for days. One phenomenon, which some years ago appeared verj^ puzzling, is approximately explained by the fact of structures in the cell- protoplasm. This is the formation of very regular silicious and calcareous skeletons, especially in the delicate Radiolaria, Foramini- fera, and sponges. F. E. Schulze, ('87) called attention to the fact that the formation of triradiate and quadriradiate spicules. 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 Verworn, Max, 1863-1921; Lee, Frederic S. (Frederic Schiller), 1859-1939. London, Macmillan and co. , limited; New York, The Macmillan company
Size: 1543px × 1619px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bo, bookauthorverwornmax18631921, bookcentury1800, bookdecade1890
