Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. Any of a class of monosaccharides having five carbon atoms per molecule and including ribose and several other sugars.
Century Dictionary and Cyclopedia
- n. One of a group of monosaccharides containing five atoms of carbon. They occur widely distributed in both the animal and the vegetable world. Well-known representatives are arabinose, xylose, and rhamnose.
Wiktionary
- n. biochemistry A sugar or saccharide containing five carbon atoms.
GNU Webster's 1913
- n. (Chem.) Any of a group of sugars of the formula C5H10O5, such as as arabinose or ribose; -- so called from the five carbon atoms in the molecule. They are not fermented by yeast.
WordNet 3.0
- n. any monosaccharide sugar containing five atoms of carbon per molecule
Etymologies
- penta- (“five”) + -ose (“sugar”) (Wiktionary)
Examples
“We have already considered the assembly of carbohydrates in regard to the Calvin cycle and the pentose phosphate pathway (Chapter 20).”
“There was my pentose and methyl-pentose determination in grapes and wines to which I had devoted my last summer vacation at the Asti”
“Seriously TP, a physicist has a much easier time documenting evidence for both lightspeed and its constancy within a small range than does a biologist who must defend OOL and account for the evolution of systems like the pentose phosphate pathway or mismatch and base excision repair pathways or the genetic code or the evolution of mechanisms designed to react to positive supercoils that result from the separation of the DNA double helix.”
“A nucleotide consists of a pentose sugar, a phosphate group, and four nitrogenous bases.”
“A novel method of deriving synthesized heparin type substances led to the development of sulphanated pentose sugar made essentially from the bark of beechwood trees.”
“Due to its 5 carbon molecular structure, he called it pentose “the stuff of genes”.”
“Therefore a ring opening step will be the first step catalyzed by isomerases for any pentose or hexose substrate.”
“This suggested that other enzymes might also recognize such a side chain as a pentose and that nucleoside analogs of this kind might have antimetabolite properties.”
“Mr. Drew related that just before her death, Sophie Hanks had succeeded in making a substance called florium pentose.”
“When Nancy added that the amount of profit from making florium pentose depended largely on whether the company could find out what catalyst Sophie used, the blond girl looked irritated and suspicious.”
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