Definition of "ribose" [ribose]

• A pentose sugar, C5H10O5, occurring as a component of riboflavin, nucleotides, and nucleic acids. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "One of the most beneficial mutations, seen repeatedly in separate cultures, was the bacterium’s loss of the ability to make a sugar called ribose, which is a component of RNA."
• "The energy in your body is stored in packets called ATP as well as phosphocreatine, which are made up of a number of chemicals including a sugar called ribose, adenine which used to be called vitamin B4, and derivatives of B vitamins."
• "The second part of the first problem involves the production of ribose, one of the constituents of RNA."