1. 2. 4 The pentose part is a ribose (without being deoxygenated at the2’ position)inisβ- furanose form(as deoxyribose in deoxyribonucleotides). 1.2.5 The bases and the phosphate group are covalently linked to the ribose ring in the same ways as in deoxyribonucleotides 1.2. 6 The four nucleoside units in rna are called adenosine, guanosine, cytidine, and uridine (without deoxy- suffix); and the nucleotide units are amp gmp cmp and ump1.2.4 The pentose part is a ribose (without being deoxygenated at the 2’ position) in its b￾furanose form (as deoxyribose in deoxyribonucleotides). 1.2.5 The bases and the phosphate group are covalently linked to the ribose ring in the same ways as in deoxyribonucleotides. 1.2.6 The four nucleoside units in RNA are called adenosine, guanosine, cytidine, and uridine (without deoxy- suffix); and the nucleotide units are AMP, GMP, CMP, and UMP