In a message dated 5/10/2001 6:08:18 PM Eastern Daylight Time,
asa@nada.kth.se writes:
<< As far as I know it doesn't matter which handedness you use, as long as
it is the same. Of course, you might want to have left-handed DNA for
completeness.
>>
Back in the early 1980s when OMNI magazine was still in print, it carried an
article about a molecular biologist name James McClear, who helped invent a
"first" non-natural protein, after the 20 or 21 that nature provides. The
bottom line is that even this breakthrough hasn't seemed to amount to much :(
Which goes back to physicist, Gerard K. O'Neil's paradigm that "scientists
tend to overestimate the impact of breakthroughs and underestimate the impact
of straightforward extensions of the capabilities of already existing
inventions."
Mitch
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