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The two functional groups characteristic of sugars are

  • Option 1)

    Carbonyl and phosphate

  • Option 2)

    Carbonyl and methyl

  • Option 3)

    hydroxyl and methyl

  • Option 4)

    Carbonyl and hydroxyl

 

Answers (3)

best_answer

As we learnt in

Structure of polynucleotide chain -

A nucleotide has 3 components:

1. A nitrogenous base

2. A pentose sugar

3. And a phosphate group

- wherein

Fig 14

Sugar is basically a carbohydrate and carbohydrates are polyhydroxy aldehyde, ketone or their derivatives, which means they have carbonyl and hydroxyl groups.

 


Option 1)

Carbonyl and phosphate

This is incorrect.

Option 2)

Carbonyl and methyl

This is incorrect.

Option 3)

hydroxyl and methyl

This is incorrect.

Option 4)

Carbonyl and hydroxyl

This is correct.

Posted by

Aadil

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option 4

Posted by

ashwani

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