A nucleotide containing deoxyribose that is a constituent of DNA.
[DEOXYRIBO(SE) + NUCLEOTIDE.]
deoxyribonucleotide
Dictionary:
de·ox·y·ri·bo·nu·cle·o·tide (dē-ŏk'sē-rī'bō-nū'klē-ə-tīd', -nyū'-)  |
| 5min Related Video: deoxyribonucleotide |
| Medical Dictionary: de·ox·y·ri·bo·nu·cle·o·tide |
(dē-ŏk'sē-rī'bō-nū'klē-ə-tīd', -nyū'-)
n.
n.
A nucleotide containing deoxyribose that is a constituent of DNA.
| Veterinary Dictionary: deoxyribonucleotide |
A nucleotide having a purine or pyrimidine base bonded to deoxyribose, which in turn is bonded to a phosphate group.
| Wikipedia: Deoxyribonucleotide |
A deoxyribonucleotide is the monomer, or single unit, of DNA, or deoxyribonucleic acid. Each deoxyribonucleotide comprises three parts: A nitrogenous base, a deoxyribose sugar, and one or more phosphate groups. The nitrogenous base is always bonded to the 1' carbon of the deoxyribose, which is distinguished from ribose by the presence of a proton on the 2' carbon rather than an -OH group. The phosphate groups bind to the 5' carbon of the sugar.
When deoxyribonucleotides polymerize to form DNA, the phosphate group from one nucleotide will bond to the 3' carbon on another nucleotide, forming a phosphodiester bond via dehydration synthesis. New nucleotides are always added to the 3' carbon of the last nucleotide, so synthesis always proceeds from 5' to 3'.
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Learn More
 | deoxyribonucleic acid polymerase I (biochemistry) |
| deoxyribonucleic acid (biochemistry) |
| Deoxyadenosine |
Help us answer these
 | Why the new deoxyribonucleotide is not added to 2' OH group of RNA primer? |
| What enzyme directs the placement of new deoxyribonucleotides? |
| What are the four deoxyribonucleotides that compose DNA? |
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 | Dictionary. The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved. Read more |
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| Medical Dictionary. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Read more |
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| Veterinary Dictionary. Saunders Comprehensive Veterinary Dictionary 3rd Edition. Copyright © 2007 by D.C. Blood, V.P. Studdert and C.C. Gay, Elsevier. All rights reserved. Read more |
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| Wikipedia. This article is licensed under the Creative Commons Attribution/Share-Alike License. It uses material from the Wikipedia article "Deoxyribonucleotide". Read more |
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Answer these
- What are the four deoxyribonucleotides that compose DNA?
- What is the difference between ribonucleotide and deoxyribonucleotide?
Mentioned in
- deoxyribonucleic acid polymerase I (biochemistry)
- deoxyribonucleic acid (biochemistry)
- Deoxyadenosine
- Deoxynucleotide 3'-phosphatase
