deoxyribose deoxylhymidtne-S'-pfiosphale j

sdenine-deoxyf i bose-tri phosphate adenine (DNA)

OH deoxyribose

FIGURE 2-8 Enzymatic synthesis of a ONA chain catalyzed by DNA polymerase I.

nucleoside: purine base:

deoxyadenossne adenine (DNA)

deoxyguanostne guanine (ONA)

FIGURE 2-7 The nucleotides of DNA. The structures of the different components of each of ihe font nucleotides a*e shown.


sugar: nucleotide;

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