जॉइन Examsbookउत्तर : 1. "They have a hydrogen at the 3’ carbon of the sugar."
Which of the following statements about ddntps is true?5
प्र: Which of the following statements about ddntps is true?
- 1They have a hydrogen at the 3’ carbon of the sugar.true
- 2DNA polymerase can add a new dNTP to a 3’ ddNTP.false
- 3They have a free 3’-hydroxyl group on the ribose sugar.false
- 4They have an oxygen at the 2’ carbon of the ribose sugar.false
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उत्तर : 1. "They have a hydrogen at the 3’ carbon of the sugar."
व्याख्या :
Answer: A) They have a hydrogen at the 3’ carbon of the sugar. Explanation: ddNTPs - Dideoxynucleotides and abbreviated as ddNTPs. They are chain-elongating inhibitors of DNA polymerase, used in the Sanger method for DNA sequencing. They have a hydrogen at the 3’ carbon of the ribose sugar.