Multiple choice

Nucleoside is composed of

  1. one pentose carbon sugar and a nitogenous base

  2. a hexose sugar and a nitogenous base

  3. one pentose carbon sugar and two nitrogenous bases

  4. two pentose sugars and one base

  5. None of these

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Nucleosides are composed of a five membered pentose carbon sugar (2-deoxyribose sugar in DNA and ribose in RNA) and a nitrogenous base. Hence, this option is the correct answer.