Question:
Which carbon atom (numbered from 1' to 5') of ribose lacks the oxygen to form deoxyribose ?
Which carbon atom (numbered from 1' to 5') of ribose lacks the oxygen to form deoxyribose ?
Show Hint
Deoxyribose has no OH on the 2' carbon.
Updated On: Oct 1, 2026
- 5'
- 3'
- 2'
- 1'
Show Solution
Verified By Collegedunia
The Correct Option is C
Solution and Explanation
Step 1: Understanding the Concept
Ribose is the sugar of RNA and deoxyribose is the sugar of DNA. The name means a sugar with one oxygen removed.
Step 2: Detailed Explanation
In ribose the carbons 2' and 3' both carry an OH group. In deoxyribose the OH at the 2' position is replaced by H.
The 3' OH remains (it forms the phosphodiester link) and the 5' carbon carries a CH\(_2\)OH group.
Final Answer:
The 2' carbon lacks the oxygen in deoxyribose, option (C). \[ \boxed{2'\ \text{(C)}} \]
Ribose is the sugar of RNA and deoxyribose is the sugar of DNA. The name means a sugar with one oxygen removed.
Step 2: Detailed Explanation
In ribose the carbons 2' and 3' both carry an OH group. In deoxyribose the OH at the 2' position is replaced by H.
The 3' OH remains (it forms the phosphodiester link) and the 5' carbon carries a CH\(_2\)OH group.
Final Answer:
The 2' carbon lacks the oxygen in deoxyribose, option (C). \[ \boxed{2'\ \text{(C)}} \]
Was this answer helpful?
0
0
Top MHT CET Chemistry Questions
- The temperature of $32^{\circ}C$ is equivalent to
- The heat of formation of water is $ 260\, kJ $ . How much $ H_2O $ is decomposed by $ 130\, kJ $ of heat ?
- If a metal crystallises in bcc structure with edge length of unit cell $4.29 \times 10^{-8}\, cm$ the radius of metal atom is
- Which of the following oxides can act both as an oxidising agent as well as reducing agent ?
- "The mass and energy both are conserved in an isolated system", is the statement of
View More Questions
Top MHT CET Nucleic Acids Questions
- Which from following nitrogen bases either of purine or pyrimidine does NOT contain \(-\text{NH}_2\) group attached with its ring?
- Which carbon atom of ribose sugar is joined to nitrogen base to form nucleoside?
- Which carbon atom of ribose sugar is joined to nitrogen base to form nucleoside?
- What are the positions of 'N' atoms present in purine ring of nucleic acids?
- What is the total number of carbon atoms present in a sugar molecule of RNA nucleotide?
View More Questions
Top MHT CET Questions
- During r- DNA technology, which one of the following enzymes is used for cleaving DNA molecule ?
- In non uniform circular motion, the ratio of tangential to radial acceleration is (r = radius of circle, $v =$ speed of the particle, $\alpha =$ angular acceleration)
- The temperature of $32^{\circ}C$ is equivalent to
- The line $5x + y - 1 = 0$ coincides with one of the lines given by $5x^2 + xy - kx - 2y + 2 = 0 $ then the value of k is
- The heat of formation of water is $ 260\, kJ $ . How much $ H_2O $ is decomposed by $ 130\, kJ $ of heat ?
View More Questions