Given below are two statements: Statement I : A unit formed by the attachment of a base to l' position of sugar is known as nucleoside Statement II : When nucleoside is linked to phosphorous acid at 5

Question

Given below are two statements: Statement I : A unit formed by the attachment of a base to l' 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:

(A) Both Statement I and Statement II are false
(B) Statement I is true but Statement II is false
(C) Statement I is false but Statement II is true
(D) Both Statement I and Statement II are true

Prashant Kotian · Accepted Answer

Correct answer: B. HO–CH2 5 Base H 1 4 H OH OH H 3 2 H O Nucleoside Base link with 1' position of sugar in nucleoside so statement I is correct Base H H OH OH H H O Nucleotide | O – P – O –CH2 | O O | – 5' → 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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