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JEE Main 202229 JuneMorning Shift
Exam
JEE Main
Year
2022
Date
29 June
Shift
Morning Shift
Subject
Chemistry
Chapter
Biomolecules

JEE Main 2022 · 29 June · Morning Shift · Chemistry · Biomolecules

Sugar moiety in DNA and RNA molecules respectively are

Sugar moiety in DNA and RNA molecules respectively areSugar moiety in DNA and RNA molecules respectively areSugar moiety in DNA and RNA molecules respectively are

Options

  1. Aβ−D−2−\beta - D - 2 -deoxyribose, β−D−\beta - D -deoxyribose
  2. Bβ−D−\beta - D -ribose, β−D−2\beta - D - 2deoxyribose
  3. Cβ−D−2−\beta - D - 2 -deoxyribose, β−D−\beta - D -ribose
  4. Dβ−D\beta - Ddeoxyribose, β−D−2\beta - D - 2deoxyribose

Correct answer

C. β−D−2−\beta - D - 2 -deoxyribose, β−D−\beta - D -ribose

Step-by-step solution

Deoxyribo nucleic acid or DNADNA contains 22-deoxy-DD-ribose sugar unit, whereas ribo nucleic acid or RNARNA contains DD-ribose sugar unit.

Sugar moiety in DNA and RNA molecules respectively are

β−D\beta - D-22 deoxyribose in DNADNA

Sugar moiety in DNA and RNA molecules respectively are

β−D\beta - D-ribose in RNARNA

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