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helix
(redirected from helices)

    Also found in: Dictionary/thesaurus, Medical, Encyclopedia, Wikipedia 0.03 sec.

helix

In mathematics, a three-dimensional curve resembling a spring, corkscrew, or screw thread. It is generated by a line that encircles a cylinder or cone at a constant angle.

Helix

Genus of snails. H. hortensis is the common European snail, and H. pomatia, also found in Britain, is the Roman snail.

Classification

Helix is in subclass Pulmonata, class Gastropoda, phylum Mollusca.



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? Mentioned in ? References in periodicals archive
 
When they used the program, the researchers were surprised to discover that their top candidates for containing beta helices were all bacterial proteins.
Motif for Infection by PETERSON, IVARS / Science News
What's more, the helices that fill space most efficiently in the team's computer simulations closely resemble those that form naturally in proteins, report Amos Maritan of the International School for Advanced Studies (SISSA) in Trieste, Italy, and his colleagues.
To pack a strand tight, make it a helix by P.W. / Science News
Chains of these linked pyridine twins spontaneously braid into double helices around copper ions.
Self-made molecules do the double twist by Amato, Ivan / Science News
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