- 1(current)
Q. No.DNA is structurally and chemically more stable than RNA because of the following except:
| 1. | It has thymine instead of uracil |
| 2. | 2’ –OH is absent in DNA |
| 3. | It replicates itself based on complementary base pairing |
| 4. | It does not have any catalytic role |
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Who proposed a semi-conservative mode of replication for DNA?
| 1. | Watson and Crick | 2. | Meselson and Stahl |
| 3. | Hershey and Chase | 4. | Beadle and Tatum |
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The genetic material for the first life on the earth was probably:
| 1. | ds DNA | 2. | ss DNA |
| 3. | Protein | 4. | RNA |
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- 1(current)
Q. No.
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