Pyrimidines example sentences

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Pyrimidines

[pəˈrimədēn, pīˈriməˌdēn]

NOUN

Synonyms

"Pyrimidines" Example Sentences

1. MTX acts as a folate antagonist and interrupts the synthesis of purines and pyrimidines, as well as the remethylation of homocysteine to form methionine, and multiple methyltransferase enzymes.
2. 39,40 The patients were shown to have an inherited deficiency of dihydropyrimidine dehydrogenase, an enzyme that metabolizes fluorouracil and endogenous pyrimidines. Subsequently, several variant ...
3. Vitamin B-12 is closely linked with folic acid (vitamin B-9). Vitamin B-12 and folic acid are needed to make purines and pyrimidines in your body. These are the building blocks of DNA. Vitamin B-12 ...
4. The pterin moiety of the ligand docks in a semi-open pocket adjacent to the junction, where it forms specific hydrogen bonds with two moderately conserved pyrimidines. The aminobenzoate moiety stacks ...
5. Which is involved in the synthesis of both purines and pyrimidines. Cobalamin Absorption Dietary cobalamin is tightly bound to dietary animal-derived protein. In the stomach, dietary protein is ...
6. The uric acid is derived from the metabolism of the purines and pyrimidines (dietetic nucleic acids). The Dalmatian breed presents unique characteristics in contrast to other breeds since they have an ...
7. MTX acts as a folate antagonist and interrupts the synthesis of purines and pyrimidines, as well as the remethylation of homocysteine to form methionine, and multiple methyltransferase enzymes.
8. pyrimidines Sentence Examples pyrimidines , METADIAZINES or Miazines, in organic chemistry, a series of heterocyclic compounds containing a ring complex, composed of four carbon atoms and two nitrogen atoms, the nitrogen atoms being in the meta-position.
9. pyrimidines Sentence Examples pyrimidines , METADIAZINES or Miazines, in organic chemistry, a series of heterocyclic compounds containing a ring complex, composed of four carbon atoms and two nitrogen atoms, the nitrogen atoms being in the meta-position. 17.
10. pyrimidines Sentence Examples pyrimidines, METADIAZINES or Miazines, in organic chemistry, a series of heterocyclic compounds containing a ring complex, composed of four carbon atoms and two nitrogen atoms, the nitrogen atoms being in the meta-position. 13. The purines and pyrimidines are nucleotides which form the building blocks of nucleic
11. Examples of in a sentence PYRIMIDINES, METADIAZINES or Miazines, in organic chemistry, a series of heterocyclic compounds containing a ring complex, composed of four carbon atoms and two nitrogen atoms, the nitrogen atoms being in the meta-position.
12. pyrimidines definition: Noun 1. plural form of pyrimidine
13. The purines and pyrimidines are nucleotides which form the building blocks of nucleic acids. Some of the examples of purines are as follows. Adenine: 9H-purin-6-amine (IUPAC Name), 6-aminopurine (Other Name) Guanine: 2-amino-1H-purin-6(9H)-one (IUPAC Name), 2-amino-6-hydroxypurine (Other Name)
14. Pyrimidine Definition. pyrimidines are simple aromatic compounds composed of carbon and nitrogen atoms in a six-membered ring. The term pyrimidine is also used to refer to pyrimidine derivatives, most notably the three nitrogenous bases that, along with the two purines, are the building blocks of both deoxyribonucleic acid (DNA) and ribonucleic acid (RNA).
15. Pyrimidine, also known as pyrimidine base or 1, 3-diazin, belongs to the class of organic compounds known as pyrimidines and pyrimidine derivatives. pyrimidines and pyrimidine derivatives are compounds containing a pyrimidne ring, which is a six-member aromatic heterocycle which consists of two nitrogen atoms (at positions 1 and 3) and four
16. Purines are the most widely occurring heterocyclic molecules that contain nitrogen. They are abundant in meat, fish, beans, peas, and grains. Examples of purines include caffeine, xanthine, hypoxanthine, uric acid, theobromine, and the nitrogenous bases adenine and guanine. Purines serve much the same function as pyrimidines in organisms.
17. Les pyrimidines sont principalement associées à des monosaccharides de cinq atomes de carbone réunis dans N 1 pour former des nucléosides qui, à leur tour, se lient à un groupe phosphate (acide phosphorique) pour former les nucléotides. Dans l'ADN et l'ARN, ces bases forment des liaisons hydrogène avec leurs purines complémentaires.
18. Purines and pyrimidines are nitrogenous bases that make up the two different kinds of nucleotide bases in DNA and RNA.The two-carbon nitrogen ring bases (adenine and guanine) are purines, while the one-carbon nitrogen ring bases (thymine and cytosine) are pyrimidines.
19. Pyrimidine chemistry was covered in CHEC(1984) and CHEC-II(1996) , and is also comprehensively reviewed in the book by D. J. Brown and others, entitled The pyrimidines .Two additional major reviews have appeared since the publication of CHEC-II(1996) , and pyrimidine chemistry in crop protection has also been
20. To learn more, review the lesson Pyrimidines: Definition & Examples, which covers the following objectives: Define pyrimidines and thiamine Identify nitrogenous bases, heterocyclic compound
21. Sentence Examples. For instance, the adenine nucleotide, adenosine, can theoretically be produced entirely abiotically. Here, purines form hydrogen bonds to pyrimidines, with adenine bonding only to thymine in two hydrogen bonds, and cytosine bonding only to guanine in three hydrogen bonds.
22. pyrimidines include three of the bases in DNA and RNA.. A pyrimidine is an aromatic heterocyclic organic compound, similar to purine. It has nitrogens at positions 1 and 3 in the ring. pyrimidines. The pyrimidine ring system occurs widely in nature.
23. Here are some examples of questions you might find on the AP® exam about the differences between purines and pyrimidines. If you can answer all of these with ease, you should be in pretty good shape as far as purines vs. pyrimidines go, but make sure you also review general DNA structure and nucleotides.
24. Also purines are adenine and guanine, and the pyrimidines are thymine and cytosine. Is a pyrimidine base in DNA? Yes, both DNA and RNA contain both pyrimidine bases and purine bases which pair up
25. Pyrimidine analogues are nucleoside analog antimetabolites which mimic the structure of metabolic pyrimidines. Examples. 5-Fluorouracil (5FU) which inhibits thymidylate synthase. Floxuridine (FUDR) Cytarabine (Cytosine arabinoside) 6-azauracil (6-AU) gemcitabine
26. The members of the pyrimidine family are cytosine (C), thymine (T), and uracil (U). Purines are larger, with a six-membered ring fused to a five-membered ring. The purines are adenine (A) and guanine (G). The specific pyrimidines and purines differ in the chemical groups attached to the rings.
27. Nucleophilic C-substitution should be facilitated at the 2-, 4-, and 6-positions but there are only a few examples. Amination and hydroxylation has been observed for substituted pyrimidines. Reactions with Grignard or alkyllithium reagents yield 4-alkyl- or 4-aryl pyrimidine after aromatization.
28. Sentence; 1: Moreover, the difference was largely accounted for by something strange. Previous studies have shown that methylated cytosines are usually next to a letter called guanine (G). 2: The most abundant bases are cytosine, thiamine , and uracil ( pyrimidines ) and adenine and guanine ( purines ) . 3
29. pyrimidines in Chinese : 嘧啶类内吸杀菌剂…. click for more detailed Chinese translation, definition, pronunciation and example sentences.
30. For the purines and pyrimidines mixture, the guanine and adenine oxidation peaks when compared with the isolated nitrogenated bases solution (see Table 2), are shifted toward more positive potentials, suggesting the formation of hybridization products.

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