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Dinucleotide is obtained by joining two ...

Dinucleotide is obtained by joining two nucleotides together by phosphodiester linkage. Between which carbon atoms of pentose sugars of nucleotides are these linkages present ?

A

5 and 3'

B

1' and 5'

C

5' and 5'

D

3' and 3.

Text Solution

Verified by Experts

The correct Answer is:
A
In nucleic acids phosphate diester linkage is between 5. and 3. carbon atoms of pentose sugars.
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ICSE-BIOMOLECULES-EXERCISE (PART-I)(OBJECTIVE QUESTIONS)(THE CORRECT ALTERNATIVE FROM THE CHOICES GIVEN : )
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  2. Which of the following pairs represents anomers ?

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  3. Proteins are found to have two different types of secondary structures...

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  4. In disaccharides , if the reducing groups of monosaccharides i.e. alde...

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  5. Which of the following acids is a vitamin ?

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  6. Dinucleotide is obtained by joining two nucleotides together by phosph...

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  7. Nucleic acids are the polymers of .

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  8. Which of the following statement is not true about glucose?

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  9. Each polypeptide in a protein has amino acids linked with each other i...

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  10. DNA and RNA contain four bases each. Which of the following bases in n...

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  11. Which of the following B-group vitamins can be stored in our body ?

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  12. Which one of the following bases is not present in DNA ?

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  13. These cyclic structures of monosaccharides are given below which of th...

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  14. Which of the following reactions of glucose can be explained only by i...

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  15. Optical rotations of some compounds along with their structures are gi...

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  16. Structure of disaccharide formed by glucose and fructose is given belo...

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  17. Three structures are given below in which two glucose units are linked...

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  18. Sucrose is a

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  19. The pair of sugars which give the same product with excess phenylhydra...

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  20. Glucose on treatment with NH2 OH undergoes

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