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What is the difference between nucleosid...

What is the difference between nucleoside and nucleotide ?

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A nucleoside is formed when 1-position of pyrimidine (cytosine, thiamine or uracil) base or 9-position of purine (guanine or adenine) base is attached to C-1 of sugar (ribose or deoxyribose) by a `beta`-linkage.
Thus, in general, nucleosides may be represented as:

A nucleotide contains all the three basic components of nucleic acids, i.e. a phosphoric acid group, a pentose sugar and a nitrogenous base. These are obtained by esterfication of `C_5`-OH group of the pentose sugar by phosphoric acid. Thus, in general, a nucleotide is represented as:
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BETTER CHOICE PUBLICATION-BIOMOLECULES -QUESTION BANK
  1. Write chemical name of Vitamin B2.

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  2. Why are vitamins essential to us ? Give the roles of various vitamins ...

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  3. Write two sources of vitamin A and disease caused by its deficiency.

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  4. Write two sources of vitamin C and disease caused by its deficiency.

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  5. What is the chemical name of vitamin A and which disease is caused by ...

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  6. What is the chemical name of vitamin C and which disease is caused by ...

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  7. Describe the role or functions of vitamin A in our body.

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  8. Describe the role or functions of vitamin C in our body.

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  9. Describe the role or functions of vitamin D in our body .

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  10. What is the chemical name of vitamin D and which disease is caused by ...

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  11. When RNA is hydrolsed, there is no relationship among the quantities o...

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  12. What is nucleic acid ?

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  13. What is the difference between nucleoside and nucleotide ?

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  14. What are nucleotides? Write their consitituents. List their functions.

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  15. What are nucleosides ?

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  16. The two strands in DNA are not identical but are complimentary. Explai...

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  17. Write six differences between DNA and RNA.

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  18. Which sugar molecule is present is DNA molecule ?

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  19. Which sugar molecule is present is RNA molecule ?

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  20. What are different types of RNA formed in the cell ?

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