pentose

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pentose

 [pen´tōs]
a monosaccharide containing five carbon atoms in a molecule.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

pen·tose

(pen'tōs),
A monosaccharide containing five carbon atoms in the molecule; for example, arabinose, lyxose, ribose, xylose, xylulose.
Farlex Partner Medical Dictionary © Farlex 2012

pentose

(pĕn′tōs′, -tōz′)
n.
Any of a class of monosaccharides having five carbon atoms per molecule and including ribose and several other sugars.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

pen·tose

(pen'tōs)
A monosaccharide containing five carbon atoms in the molecule.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

pentose

A sugar with five carbon atoms in each molecule. The ‘backbone’ of DNA on each side of the helix consists of a chain of pentose sugars alternating with phosphate groups. The sugar in DNA is 2-deoxyribose, and in RNA is ribose. The NUCLEOTIDE chain is formed by linking the 5’ position of one pentose ring to the 3’ position on the next via a phosphate group. 5’ and 3’ are used to indicate the ends of a DNA fragment and the directions in which the ‘backbones’ run.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

pentose

a monosaccharide with five carbon atoms.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005