Genetics - Section 1 Multiple Questions and Answers.
Exercise Questions ::
Genetics
| 6. | Which characteristic is shared by both adenine and cytosine? |
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| A. | Both contain one methyl group. |
| B. | Both are anomeric. |
| C. | Both contain one keto group. |
| D. | Both are heterocyclic. |
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Published by:Rehana Akram
| 7. | Which component is found in both guanosine and uridine? |
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| A. | Both contain an aldohexose |
| B. | Both contain three hydroxyl groups |
| C. | Both contain a 1’,9 - bond. |
| D. | Both contain a pyranose |
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Published by:Rehana Akram
| 8. | Which property is shared by both CTP and dTDP? |
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| A. | Both contain the same sugar. |
| B. | Both contain the same charge at cellular pH. |
| C. | Both contain a planar six-membered ring. |
| D. | Both contain phosphodiester bonds. |
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Published by:Rehana Akram
| 9. | Which characteristic is found in both purines and pyrimidines? |
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| A. | They both have aromatic rings that undergo substantial tautomerization at neutral pH |
| B. | They both are weak bases that can be positively charged at neutral pH. |
| C. | They both have multiple pKa values that result in zwitterion forms. |
| D. | They both can form stable N-glycosidic bonds with β D-ribofuranose |
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Published by:Rehana Akram
| 10. | Which is a general property of both nucleosides and nucleotides? |
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| A. | Both contain a pentose in the form of a furanose. |
| B. | Both contain at least one 5’-phosphate group |
| C. | Both contain a nitrogenous base that forms covalent H-bonds |
| D. | Both contain a hemiacetal or hemiketal bond. |
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Published by:Rehana Akram
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