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Books > Science & Mathematics > Biology, life sciences > Cellular biology
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Cell-Cell Channels (Paperback, 2006 ed.)
Loot Price: R4,024
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Cell-Cell Channels (Paperback, 2006 ed.)
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he biological sciences are dominated by the idea that cells are the
functionally autonomous, physically separated, discrete units of
life. TThis concept was propounded in the 19th century by
discoveries of the cellular structuring of both plants and animals.
Moreover, the ap parent autonomy of unicellular eukaryotes, as well
as the cellular basis of the mammalian brain (an organ whose
anatomy for a long while defied attempts to validate the idea of
the cellular nature of its neurons), seemed to provide the final
conclusive evidence for the completeness of *cell theory', a theory
which has persisted in an almost dogmatic form up to the present
day. However, it is very obvious that there are numerous
observations which indicate that it is not the cells which serve as
the basic units of biological life but that this property falls to
some other, subcellular assemblage. To deal with this intricate
problem concerning the fundamental unit of living matter, we
proposed the so-called Cell Body concept which, in fact, devel ops
an exceedingly original idea proposed by Julius Sachs at the end of
the 19th century. In the case of eukaryotic cells, DNA-enriched
nuclei are intimately associated with a microtubular cytoskeleton.
In this configuration-as a Cell Body-these two items comprise the
fundamental functional and struc tural unit of eukaryotic living
matter. The Cell Body seems to be inherent to all cells in all
organisms.
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