Uridine, present only in RNA, is a:
Correct answer: A. Nucleoside
- A. Nucleoside
- B. Nucleotide
- C. Purine
- D. Pyrimidine.
Explanation
A nucleoside is a pentose sugar and a base together, without the phosphate group. Uracil is present as uridine in RNA only. Uracil + Ribose = Uridine
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The chapter covers water's polarity and biological roles, carbohydrates, lipids, proteins and nucleic acids, including their monomers, bonds, structures and functions. It also distinguishes RNA from DNA and explains conjugated molecules such as glycoproteins, glycolipids and nucleoproteins, which combine organic molecules with a non-protein component.
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