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Hydrogen bonding between particular pyrimidines and purines. Adenine & Thymine. Cytosine & Guanine.
Study with Quizlet and memorize flashcards containing terms like In a molecule of DNA, cytosine is complementary to _____, In a molecule of DNA, adenine is complementary to _____, Complementary bases are held together by _____ bonds in a double-stranded molecules of DNA and more.
A nucleoside triphosphate is added to the 3' end of the DNA, releasing a molecule of pyrophosphate. Study with Quizlet and memorize flashcards containing terms like Cytosine makes up 38% of the nucleotides in a sample of DNA from an organism.
In DNA, bonds form between bases on the two nucleotide chains and hold the chains together. Each type of base binds with just one other type of base: cytosine always binds with guanine, and adenine always binds with thymine. These pairs of bases are called complementary base pairs.
Right: two complementary strands of DNA. Complementarity is achieved by distinct interactions between nucleobases: adenine, thymine (uracil in RNA), guanine and cytosine. Adenine and guanine are purines, while thymine, cytosine and uracil are pyrimidines. Purines are larger than pyrimidines.
guanine. cytosine. There are chemical cross-links between the two strands in DNA, formed by pairs of bases held together by hydrogen bonds. They always pair up in a particular way, called....
There are chemical cross-links between the two strands in DNA, formed by pairs of bases held together by hydrogen bonds. They always pair up in a particular way, called complementary base pairing:
