Which among the following is the correct structure of \(\beta-D- \)ribose? 
 
1. 2.
3. 4.
Subtopic:   DNA, RNA & Metal Ions |
Level 3: 35%-60%
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A base is present in RNA nucleotide, not in DNA. Find out the number of oxygen atoms in the base:

1. Three (3)
2. Two (2)
3. Four (4)
4. One (1)
 
Subtopic:   DNA, RNA & Metal Ions |
 66%
Level 2: 60%+
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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 a 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 |
Level 4: Below 35%
NEET - 2023
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