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Which of the following nitrogenous base produces nucleoside only with ribose sugar?
- a)Thymine
- b)Guanine
- c)Uracil
- d)Adenine
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
Which of the following nitrogenous base produces nucleoside only with ...
Uracil nitrogenous base is produces nucleoside only with ribose sugar. This nucleoside is present only inside the RNA and absent in DNA.
Most Upvoted Answer
Which of the following nitrogenous base produces nucleoside only with ...
Uracil is the nitrogenous base that produces nucleoside only with ribose sugar.
Explanation:
Nucleosides are formed when a nitrogenous base is linked to a sugar molecule through a glycosidic bond. The sugar molecule can be either ribose or deoxyribose. Ribose is a 5-carbon sugar, while deoxyribose is a modified form of ribose with one oxygen atom removed.
Uracil is a nitrogenous base found in RNA (ribonucleic acid). It is one of the four bases present in RNA, along with adenine, guanine, and cytosine. Uracil forms a nucleoside when it is linked to ribose sugar through a glycosidic bond. The resulting compound is called uridine.
Thymine, on the other hand, is a nitrogenous base found in DNA (deoxyribonucleic acid). It is a pyrimidine base and forms a nucleoside called thymidine when linked to deoxyribose sugar. Thymine does not naturally form a nucleoside with ribose sugar.
Guanine and adenine are purine bases found in both RNA and DNA. They form nucleosides when linked to either ribose or deoxyribose sugar. The resulting compounds are called guanosine and adenosine, respectively.
In summary, only uracil can produce a nucleoside with ribose sugar, forming uridine. Thymine, guanine, and adenine can form nucleosides but with deoxyribose sugar instead.
Explanation:
Nucleosides are formed when a nitrogenous base is linked to a sugar molecule through a glycosidic bond. The sugar molecule can be either ribose or deoxyribose. Ribose is a 5-carbon sugar, while deoxyribose is a modified form of ribose with one oxygen atom removed.
Uracil is a nitrogenous base found in RNA (ribonucleic acid). It is one of the four bases present in RNA, along with adenine, guanine, and cytosine. Uracil forms a nucleoside when it is linked to ribose sugar through a glycosidic bond. The resulting compound is called uridine.
Thymine, on the other hand, is a nitrogenous base found in DNA (deoxyribonucleic acid). It is a pyrimidine base and forms a nucleoside called thymidine when linked to deoxyribose sugar. Thymine does not naturally form a nucleoside with ribose sugar.
Guanine and adenine are purine bases found in both RNA and DNA. They form nucleosides when linked to either ribose or deoxyribose sugar. The resulting compounds are called guanosine and adenosine, respectively.
In summary, only uracil can produce a nucleoside with ribose sugar, forming uridine. Thymine, guanine, and adenine can form nucleosides but with deoxyribose sugar instead.
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Which of the following nitrogenous base produces nucleoside only with ribose sugar?a)Thymineb)Guaninec)Uracild)AdenineCorrect answer is option 'C'. Can you explain this answer?
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