Class 12 Exam > Class 12 Questions > RNA and DNA are chiral molecules, their chira...
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RNA and DNA are chiral molecules, their chiralityis due to [2007]
- a)chiral bases
- b)chiral phosphate ester units
- c)D-sugar component
- d)L-sugar component.
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
RNA and DNA are chiral molecules, their chiralityis due to [2007]a)chi...
Each nucleic acid consists of a pentose
sugar a heterocyclic base, and phosphoric
acid. The sugar present in DNA is 2-deoxy
-D (–) ribose and the sugar present in RNA
is D (–)- ribose. The chirality of DNA and
RNA molecules are due to the presence of
sugar components.
sugar a heterocyclic base, and phosphoric
acid. The sugar present in DNA is 2-deoxy
-D (–) ribose and the sugar present in RNA
is D (–)- ribose. The chirality of DNA and
RNA molecules are due to the presence of
sugar components.
Most Upvoted Answer
RNA and DNA are chiral molecules, their chiralityis due to [2007]a)chi...
Chirality of RNA and DNA
Chirality in RNA and DNA molecules is primarily due to the presence of chiral sugar components.
Chiral Sugar Component
1. The sugar component in RNA and DNA is either ribose (in RNA) or deoxyribose (in DNA).
2. Ribose and deoxyribose are chiral molecules with multiple asymmetric carbon atoms.
3. The asymmetric carbon atoms give rise to different spatial arrangements of atoms in the molecule, leading to chirality.
4. The presence of chiral sugar components contributes to the overall chirality of RNA and DNA molecules.
Chiral Bases
1. While the bases in RNA and DNA are important for coding genetic information, they do not contribute significantly to the chirality of the molecules.
2. The bases themselves are not chiral molecules, as they do not have multiple asymmetric carbon atoms like the sugar components.
Therefore, the chirality of RNA and DNA is primarily due to the chiral sugar components (D-sugar component in the case of DNA and RNA). The spatial arrangement of atoms around the asymmetric carbon atoms in the sugar components gives rise to the overall chirality of these important biomolecules.
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RNA and DNA are chiral molecules, their chiralityis due to [2007]a)chiral basesb)chiral phosphate ester unitsc)D-sugar componentd)L-sugar component.Correct answer is option 'C'. Can you explain this answer? for Class 12 2025 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about RNA and DNA are chiral molecules, their chiralityis due to [2007]a)chiral basesb)chiral phosphate ester unitsc)D-sugar componentd)L-sugar component.Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 12 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for RNA and DNA are chiral molecules, their chiralityis due to [2007]a)chiral basesb)chiral phosphate ester unitsc)D-sugar componentd)L-sugar component.Correct answer is option 'C'. Can you explain this answer?.
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