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Biomolecules question

2023 · Q102
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Biomolecules question

2023 · Q102

NEETChemistryBiomoleculesMCQ+4 / −1

Given below are two statements:

Statement I : A unit formed by the attachment of a base to 1' position of sugar is known as nucleoside

Statement II : When nucleoside is linked to phosphorous acid at 5' position of sugar moiety, we get nucleotide.

In the light of the above statements, choose the correct answer from the options given below:

  1. A
    Both Statement I and Statement II are false
  2. B
    Statement I is true but Statement II is false
  3. C
    Statement I is false but Statement II is true
  4. D
    Both Statement I and Statement II are true
View written solutionFree

Correct answer: B

NEET 2023 Chemistry - Biomolecules Question 6 English Explanation 1

Base link with 1' position of sugar in nucleoside so statement I is correct.

NEET 2023 Chemistry - Biomolecules Question 6 English Explanation 2

$\to$ When nucleoside is linked to phosphoric acid at 5' position of sugar moiety we get a nucleotide

Statement II is incorrect because not link with phosphorous acid.

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