NTA Abhyas NEET2020ChemistryBiomoleculesPractice
Which of the following is a nucleoside?
Options
- AAdenylic acid
- BCytosine
- CUridine
- DThiamine
Correct answer
C. Uridine
Step-by-step solution
Nucleotide =Nucleoside + Phosphate group Nucleoside = Nucleobase + Five carbon sugar Uridine is a glycosylated pyrimidine analog containing uracil attached to a ribose ring. As it is doesn't contain a phosphate group, it is called a nucleoside. Adenylic acid is Adenosine monophosphate; Cytosine is a nucleotide whereas thiamine is a vitamin B1.