NEET 2023 Zoology DNA Assertion Reason Question
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:
Both Statement I and Statement II are false.
Statement I is true but Statement II is false.
Statement I is false but Statement II is true.
Both Statement I and Statement II are true.
Correct Answer
Detailed Explanation
Statement I is true as nucleoside is formed by attaching a base to sugar. Statement II is false because nucleotides are formed by linking nucleoside to phosphoric acid, not phosphorous acid.
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