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.
Found an issue with this question?
Related Questions
More from Nucleic Acids
Assertion (A): DNA contains the base thymine, while RNA contains the base uracil. | Reason (R): Thymine and uracil are structurally identical, allowin...
Which of the following bases is found in RNA but not in DNA?
Match Column-I with Column-II. Column-I Column-II (a) DNA (i) Involved in protein synthesis (b) RNA (ii) Carries genetic inform...
More from 2023
Which of the following statements are NOT correct? A. Hydrogen is used to reduce heavy metal oxides to metals. B. Heavy water is used to study react...
Consider the following compounds/species: The number of compounds/species which obey Huckel’s rule is ______.
Match List I with List II.