1.1.4 The carbon and nitrogen atoms in the pyrimidine and purine rings are numbered. (tig) 1. 1. 5 The pentose in a deoxyribonucleotide is a position that is present in riloxygen atom at the 2- deoxyribose, which lacks an bose, the parent compound. (the numbering of the sugar ring). 1. 1. 6 The deoxyribose is in its B-furanose form (a closed five-member ring). 1.1.7 Only D-deoxyribose(the asymmetric carbon farthest to the carbonyl group has the same configuration as D-glyceraldehyde) is found in DNA1.1.4 The carbon and nitrogen atoms in the pyrimidine and purine rings are numbered. (fig.) 1.1.5 The pentose in a deoxyribonucleotide is a deoxyribose, which lacks an oxygen atom at the 2’- position that is present in ribose, the parent compound. (the numbering of the sugar ring). 1.1.6 The deoxyribose is in its b-furanose form (a closed five-member ring). 1.1.7 Only D-deoxyribose (the asymmetric carbon farthest to the carbonyl group has the same configuration as D-glyceraldehyde) is found in DNA