Exceptions of living things NOT composed of cells?

Scott Coutts scott.coutts at med.monash.edu.au
Tue Jan 27 00:58:01 EST 2004


EK wrote:

> "Scott Coutts" <scott.coutts at med.monash.edu.au> wrote in message
> news:L2kRb.29726$Wa.24672 at news-server.bigpond.net.au...
> ...
> 
>>What about Rickettsias, Chalmydias and other obligate intracellular
>>parasites, which cant synthesise their own ATP?
> 
> Aren't they still retain the cellular membrane while inside the host? Even
> if not, they are using the host's membrane and wall, which would comply with
> another definition of life as the ability of enclosed system to grow and to
> self-replicate. Would the parasites then be considered as cellular or
> non-cellular forms of life? Kind of a new twist in our discussion, eh? :-)
> Tom Williams, could you ask your professor what exactly did he mean and we
> might take a chance and argue with him?
> So far, seems life, as love, is not so easy to define... :-)
> Emir
> 

Yes, all true (:





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