different between deoxyribose vs dideoxynucleotide

English

deoxy- +? ribose

deoxyribose (countable and uncountable, plural deoxyriboses)

(biochemistry) A derivative of the pentose sugar ribose in which the 2' hydroxyl (-OH) is reduced to a hydrogen (H); it is a constituent of the nucleotides that constitute the biopolymer, deoxyribonucleic acid, or DNA.

From di- +? deoxynucleotide

dideoxynucleotide (plural dideoxynucleotides)

(biochemistry) Any nucleotide formed from a deoxynucleotide by loss of a second hydroxy group from the deoxyribose group
(biochemistry) Any oligonucleotide consisting of two deoxynucleotides

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