double helix. The New Dictionary of Cultural Literacy, Third Edition. 2002

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The New Dictionary of Cultural Literacy, Third Edition. 2002.

double helix


(HEE-liks) The shape taken by the DNA molecule. A helix is a three-dimensional spiral, like the shape of a spring or the railing on a spiral staircase. A DNA molecule consists of two helixes intertwined.	1

The New Dictionary of Cultural Literacy, Third Edition. Edited by E.D. Hirsch, Jr., Joseph F. Kett, and James Trefil. Copyright © 2002 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

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