In DNA and RNA, purines pair with their complementary pyrimidine bases through hydrogen bonding ... and the synthesis of complex molecules. GTP is another purine nucleotide that plays a crucial role ...
Many people believe that American biologist James Watson and English physicist Francis Crick discovered DNA in the ... total amount of purines (A + G) and the total amount of pyrimidines (C ...
The remaining positions are occupied by carbon atoms, forming the backbone of important nucleobases in DNA and RNA ... known as the pyrimidine biosynthetic pathway. This pathway involves the ...
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Scientists found 'nitriles' in an interstellar cloud — here's why that could be hugeThe molecules were detected using ... as precursors in the prebiotic synthesis of purines and pyrimidines, which are at the heart of RNA and DNA," explained Marcelino Agúndez Chico, a researcher ...
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