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  1. In a DNA double helix an adenine of one strand always pairs with a (n) _____ of the complementary strand, and a guanine of one strand always pairs with a (n) _____ of the complementary strand. Answers: cytosine ... thymine. uracil ... cytosine.

  2. Which of the following bases are categorized as purines? adenine & guanine. The sugar end of the DNA strand is referred to as the _____ end and the phosphate end is referred to as the _____ end. 3;5. Adenine forms ___ hydrogen bonds with Thymine. two. Cytosine forms ___ hydrogen bonds with Guanine. three.

  3. quizlet.com › 834812714 › dna-flash-cardsDNA Flashcards - Quizlet

    What is the sequence of bases on the complimentary strand?, Structure X includes a deoxyribose sugar, a phosphate group, and a nitrogenous base. What is this structure called?, In the structure of DNA, what binds with cytosine? and more.

  4. If base-pairing rules state that Adenine always pairs with Thymine, and Cytosine pairs with Guanine, what would be the complementary strand to ACGGT? Base pairs in a DNA strand are held together by what type of bonds?

  5. An enzyme that adds complementary nucleotides to the template strand of the unzipped double helix until the entire molecule has been replicated.

  6. 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.

  7. Cytosine. If a person suffered from a disorder where their DNA fragments were unable to fill in the missing slots in between the fragments of the lagging strand, they would most likely have a disorder that affected which enzyme? DNA replication runs from ______' to _____' and is said to be ______________________.