Definition of life

Attila Pusztai pusztai at HUBI.ABC.HU
Tue Feb 8 14:50:49 EST 1994


Richard Streng wrote:

> I think, a living system consists of two parts:
>
>   I) A distinct information which consists all instructions necessary
>      to multiply itself.
>
>  II) An envelop for that information which was produced under the
>      directives of that information (by growth or assembly or whatever)
>      and which aids as a vehicle and as a tool to perform the multiplication
>      of the information and of at least initial stages of new envelops.
>
> All other criteria follow secundarily. They are epiphenomena and are
> included in the above definition. E.g. ontogeny, selfdestruction and death
> of the envelop (the >soma< in earth biology) are under the control of the
> information.
> Even mutability is included because of a balanced degree of repair of
> inevitable or provoked errors during the copying process of the information.


What about circulating red blood cells, without nucleus? Aren't they alive?

Attila Pusztai
pusztai at fa.gau.hu
pusztai at hubi.abc.hu
Dept.Anim.Physiology
Godollo Univ.Agric.Sci.
Hungary




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