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Multiple Choice
Draw a nucleoside formed when ribose and cytosine form a glycosidic bond.
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Identify the components involved in forming the nucleoside: ribose and cytosine.
Understand that a nucleoside is formed when a nitrogenous base (cytosine) is linked to a sugar (ribose) via a glycosidic bond.
Locate the glycosidic bond formation site: the bond forms between the 1' carbon of ribose and the nitrogen atom in the cytosine base.
Draw the ribose structure: a five-membered ring with hydroxyl groups at the 2', 3', and 5' positions, and a hydrogen at the 1' position.
Draw the cytosine structure: a pyrimidine ring with an amino group at the 4 position and a keto group at the 2 position. Connect the nitrogen atom of cytosine to the 1' carbon of ribose to form the glycosidic bond.