The nucleotides are joined to one another in a chain by covalent bonds between the sugar of one nucleotide and the phosphate of the next, resulting in an alternating sugar-phosphate backbone.
Nucleotides osaɣan jir iman nasan s covalent bonds jir assukar n nucleotide iyyan d phospahte n wa yadan harat icharayan arori n assukar-phosphate