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Biology |
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| 76)Most abundant RNA of the cell is | |||
| r-RNA | t-RNA | ||
| t-RNA-threonine | m-RNA | ||
| Answer : | |||
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| 77)Which RNA delivers the correct amino acid for protein synthesis? | |||
| hn-RNA | t-RNA | ||
| m-RNA | r-RNA | ||
| Answer : | |||
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| 78)In which of the following anticordon occurs? | |||
| DNA | m-RNA | ||
| t-RNA | r-RNA | ||
| Answer : | |||
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| 79)Nucleic acids were first discovered by | |||
| Flemming | Altmann | ||
| Koch | Meischer | ||
| Answer : | |||
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| 80)Which of the following nitrogenous base is not found in RNA? | |||
| Uracil | Cytosine | ||
| Adenine | Thymine | ||
| Answer : | |||
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| 81)RNA is polymer of | |||
| Deoxyribonucleotides | Ribonucleotides | ||
| Deoxyribonucleosides | Ribonucleosides | ||
| Answer : | |||
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| 82)t - RNA constitutes about | |||
| 15% of the total RNA | 1 - 3% of the total RNA | ||
| 70-80% of the total RNA | 5% of the total RNA | ||
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| 83)The two strands of DNA are coiled around | |||
| Differently | Each other | ||
| Different axis | A common axis | ||
| Answer : | |||
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| 84)With which of the following adenine of DNA pairs? | |||
| Thymine | Uracil | ||
| Guanine | Cytosine | ||
| Answer : | |||
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| 85)Distance between two strands of DNA is | |||
| 3.4 Å | 34 Å | ||
| 20 Å | 340 Å | ||
| Answer : | |||
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| 86)The denaturation of DNA can take place due to | |||
| High temperature | High pH | ||
| Low pH | All of these | ||
| Answer : | |||
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| 87)The two strands od DNA are held together by bonds of | |||
| Oxygen | Hydrogen | ||
| Nitrogen | Carbon | ||
| Answer : | |||
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| 88)The low melting area of DNA is | |||
| A - U base pairs | G - C base pairs | ||
| A - T base pairs | Both (b) and (c) | ||
| Answer : | |||
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| 89)Single stranded DNA is found in | |||
| Bacteriophage Φ x 174 | Reo virus | ||
| Retro virus | Wound tumour virus | ||
| Answer : | |||
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| 90)The term enzyme was coined by | |||
| Buchner | Boveri | ||
| Kuhne | De Duve | ||
| Answer : | |||
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