728by90ad
Genetics - Section 1 Multiple Questions and Answers.
Exercise Questions ::
Genetics
| 1. | Which structural feature is shared by both uracil and thymine? |
| |
| A. | Both contain two keto groups. |
| B. | Both contain one methyl group |
| C. | Both contain a five-membered ring. |
| D. | Both contain three nitrogen atoms. |
|
|
Published by:Rehana Akram
| 2. | Which component is found in both adenosine and deoxycytidine? |
| |
| A. | Both contain a pyranose. |
| B. | Both contain a 1,1’-N-glycosidic bond. |
| C. | Both contain a pyrimidine. |
| D. | Both contain a 3’-OH group. |
|
|
Published by:Rehana Akram
| 3. | Which property is shared by both GDP and AMP? |
| |
| A. | Both contain the same charge at neutral pH. |
| B. | Both contain the same number of phosphate groups. |
| C. | Both contain the same purine |
| D. | Both contain the same furanose. |
|
|
Published by:Rehana Akram
| 4. | Which characteristic is shared by purines and pyrimidines? |
| |
| A. | Both contain two heterocyclic rings with aromatic character. |
| B. | Both can form multiple non-covalent hydrogen bonds. |
| C. | Both exist in planar configurations with a hemiacetal linkage. |
| D. | Both exist as neutral zwitterions under cellular conditions. |
|
|
Published by:Rehana Akram
| 5. | Which property is found in nucleosides and nucleotides? |
| |
| A. | Both contain a nitrogenous base, a pentose, and at least one phosphate group |
| B. | Both contain a covalent phosphodister bond that is broken in strong acid. |
| C. | Both contain an anomeric carbon atom that is part of a β-N-glycosidic bond. |
| D. | Both contain an aldose with hydroxyl groups that can tautomerize. |
|
|
Published by:Rehana Akram
»
