Which among the following is the correct structure of \(\beta-D- \)ribose? 
 
1. 2.
3. 4.
Subtopic:   DNA, RNA & Metal Ions |
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

A base is present in RNA nucleotide, not in DNA, the number of oxygen atoms in the base is- 

1. 3
2. 2
3. 4
4. 1
 
Subtopic:   DNA, RNA & Metal Ions |
 67%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

Given below are two statements: 
Statement I:  A unit formed by the attachment of a base to 1' position of sugar is known as a 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.  Statement I is false but Statement II is true.
2.        Both Statement I and Statement II are true.
3.  Both Statement I and Statement II are false.
4. Statement I is true but Statement II is false.
Subtopic:   DNA, RNA & Metal Ions |
From NCERT
NEET - 2023
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital
Hints
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital

advertisementadvertisement