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Standard XII
Biology
Nucleotides and Nucleosides
Question

Ribose sugar is present in
  1. RNA polymerase, RNA and ATP
  2. RNA only
  3. RNA polymerase and ATP
  4. RNA and ATP

A
RNA polymerase and ATP
B
RNA only
C
RNA and ATP
D
RNA polymerase, RNA and ATP
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Solution
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Nucleic acids are polymers of nucleotides. Ribonucleic acids (RNA) are polymers of ribonucleotides. Ribonucleotides are made up of the ribose sugar, a nitrogenous base, and phosphoric acid. The ATP (adenosine triphosphate) is a ribonucleotide. Other ribonucleotides in RNA are UTP, GTP, and CTP.
So, the correct answer is option D.

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Similar Questions
Q1
Which of the following statements are correct?
(i) RNA polymerase I transcribes rRNAs.
(ii) RNA polymerase II transcribes snRNAs.
(iii) RNA polymerase III transcribes hnRNA.
(iv) RNA polymerase II transcribes hnRNA.

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Q2
Consider the following statements. In eukaryotes
I. RNA polymerase I transcribes rRNAs
II. RNA polymerase II transcribes snRNAs
III. RNA polymerase III transcribes hnRNA
IV. RNA polymerase II transcribes hnRNA
Which of the statements given above are correct?
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Q3
Differentiate between :
RNA polymerase I, RNA polymerase II and RNA polymerase III.
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Q4
Which of the following RNA polymerase enzyme catalyses the formation of precursor of mRNA (hnRNA)
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Q5
In eukaryotes, which enzyme catalyzes the formation of 5S rRNA?
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