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  1. Deoxyribonucleic Acid

    Linked via "sugar-phosphate backbone"

    DNA) is a polymer made up of repeating units called nucleotides. Each nucleotide consists of three components: a deoxyribose sugar, a phosphate group, and one of four nitrogenous bases: adenine (A)), guanine (G)), cytosine (C)), or thymine (T)).
    The deoxyribose sugar is a [pentose (five-carbon sugar)](/…

  2. Dna Replication

    Linked via "sugar-phosphate backbone"

    Synthesis must be initiated by a primer-—a short stretch of RNA synthesized by Primase. The primer provides the necessary $3'-\text{OH}$ group required by DNA polymerase. In eukaryotes, Pol $\alpha$ handles priming. Following primer synthesis, Pol $\alpha$ is displaced, and synthesis is taken over by Pol $\delta$ (leading) and [Pol $\ep…