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RNA and DNA are chiral molecules, their ...

RNA and DNA are chiral molecules, their chirality is due to

A

D - sugar component

B

L-sugar component

C

Chiral bases

D

Chiral phosphate ester units

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The correct Answer is:
A
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When is a molecule said to be chiral?

The chirality of the compound

Statement I: Molecules that are non-superimposable on their mirror images are chiral. Statement II: All chiral molecules have chiral centres.

Identify chiral and achiral molecules in each of the following pairs of compounds.

Identify chiral and achiral molecules in each of the following pairs of compounds.

Identify chiral and achiral molecules in each of the following pairs of compounds.

Identify the chiral molecule in the following pairs :

Reactions involving stereoisomers To study the involvement of stereoisomers in chemical reactions we shall take up following points: (i)The conversion of an achiral molecule into a chiral molecule, with the generations of a chiral centre. Secondary butyl chloride exist as two enantiomers but mixture is optically inactive due to formation of a racemic mixture.Both enantiomers are obtained in equal amounts.Racemic mixture is an eqnimolar mixture of two enantiomers. (ii)Conversion of chiral molecule into chiral and achiral molecules. Which of the following reactant will give chiral products on monochlorination ?

Reactions involving stereoisomers To study the involvement of stereoisomers in chemical reactions we shall take up following points: (i)The conversion of an achiral molecule into a chiral molecule, with the generations of a chiral centre. Secondary butyl chloride exist as two enantiomers but mixture is optically inactive due to formation of a racemic mixture.Both enantiomers are obtained in equal amounts.Racemic mixture is an eqnimolar mixture of two enantiomers. (ii)Conversion of chiral molecule into chiral and achiral molecules. Monochlorination of which of the following will give only an achiral products ?

AAKASH INSTITUTE ENGLISH-BIOMOLECULES-EXERCISE (ASSIGNMENT) SECTION - C Previous Years Questions
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  2. D-(+)-glucose reacts with hydroxyl amine and yields an oxime. The stru...

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  3. Deficiency of vitamin B(1) causes the disease

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  4. Which one of the following sets of monosaccharides forms sucrose ?

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  5. Which one of the following statements is not true regarding (+) lactos...

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  6. Which of the statements about ''Denaturation'' given below are correct...

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  7. Which of the following is not a fat soluble vitamin ?

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  8. Which of the following does not exhibit the phenomenon of mutarotation...

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  9. Fructose reduces Tollen's reagent due to -

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  10. The segment of DNA which acts as the instrumental manual for the synth...

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  11. Which of the following hormones contains iodine ?

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  12. In DNA, the complimentary bases are

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  13. Which one of the following is an amine hormone ?

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  14. Which one of the following vitamins is water-soluble ?

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  15. RNA and DNA are chiral molecules, their chirality is due to

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  16. During the process of digestion , the proteins present in food materia...

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  17. Which of the following is not produced by human body ?

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  18. Which one of the following is a peptide hormone ?

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  19. The cell membranes are mainly composed of

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  20. Which functional group participates in the disulphide bond formation i...

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