whoops! ...missed one.
I RETRACT THIS EARLIER POST OF MINE... i've already explained elsewhere.
K. P. Collins
Ken Collins wrote in message ...
>for an example of 'functional multiplexing', as it's discussed in AoK, Ap9,
>see:
>>http://www.eurekalert.org/releases/mgh-rfm072099.html>>from the press release:
>>"Two things are curious about the identification of a cyptochrome as an
>essential part of a negative feedback loop in the inner workings of the
>mammalian clock. One is that its role could never have been predicted based
>on the structure of the protein itself. Cryptochromes are a family of
>light-sensing proteins. Who would have guessed that such a protein would
>function in a light-independent manner to regulate per? The second curious
>aspect of the finding is that cryptochromes play an entirely different (and
>more predictable) role in regulating the rhythms of plants and flies where
>they form the critical light sensors that reset the biological clock in
>response to light. Just as a Rolex keeps time according to its own inner
>machinery and yet can be reset to a new time zone by a turn of a knob, so
>too can the intrinsic machinery of the biological clock be reset by light.
>The identification that the resetting knob of one clock makes up part of
the
>inner workings of another is certainly surprising and unprecedented."
>>False and False... as is explained in AoK.
>>K. P. Collins
>>