You can easily make logic gates using moiety conserved cycles, pretty much
all signaling pathways are made using them. Now whether nature does this is
h s a u r o @ k g i dot e d u
"Lord Snooty" <bonzo at dog.com> wrote in message
news:pgpmoose.200307151456.10888 at net.bio.net...
> It seems clear that a Boolean AND function occurs in nature. Also, it is
> clear that, since both inhibition and excitation of pathways exists, we
> can have a NOT gate equivalent. But does an OR gate exist in natural
> protein pathways? An XOR gate?