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14:20 Jan 21, 2020 |
Spanish to English translations [PRO] Science - Livestock / Animal Husbandry / treatment for fungal disease in fish farms in Chile | |||||||
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| Selected response from: Neil Ashby Spain Local time: 02:02 | ||||||
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of the nitrogen atoms of the ring of the purine base Explanation: finding |
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ring of nitrogen atoms in the purine bases cycle Explanation: From the sciencedirect website below: 'Basic purine has nine atoms in its structure. Purine has two cycles: a six-membered pyrimidine ring and a five-membered imidazole ring fused together. Four nitrogen atoms are present at the 1, 3, 7, and 9 positions. The numbering of purine starts with the first nitrogen of the six-membered ring and then proceeds in an anticlockwise direction. The imidazole ring is numbered clockwise.' https://courses.lumenlearning.com/boundless-microbiology/chapter/amino-acid-and-nucleotide-biosynthesis/ https://www.sciencedirect.com/topics/biochemistry-genetics-and-molecular-biology/purine |
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the nitrogen atoms in the rings found in purine bases Explanation: "ciclos" doesn't make any sence in the Spanish, nor in English. It's not needed Formaldehyde - an overview | ScienceDirect Topics https://www.sciencedirect.com/ Formaldehyde inactivates microorganisms by alkylating the amino (–NH2) and sulfhydral (–S–H) groups of proteins and ring nitrogen atoms of purine bases. This is shown in Fig. 1.28. The interaction with protein results from a combination with the primary amide as well as with the amino groups. Formaldehyde acts as an alkylating agent by reaction with carboxyl (–C=O), sulfhydryl (-SH), and hydroxyl (-OH) groups. Formaldehyde also reacts extensively with nucleic acid. Two of the four bases in nucleic acids, adenine2 and guanine,3 are purines. In DNA, these bases form hydrogen bonds with their complementary pyrimidines, thymine and cytosine, respectively. This is called complementary base pairing. In RNA, the complement of adenine is uracil instead of thymine. |
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