- 1(current)
Q. No.Manipulation of DNA in genetic engineering became possible due to the discovery of:
1. Restriction endonuclease
2. DNA ligase
3. Transcriptase
4. Primase
Subtopic: Restriction Enzymes - Main Enzymes |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyRestriction endonucleases:
| 1. | Are used in genetic engineering for ligating two DNA molecules. |
| 2. | Are used for in vitro DNA synthesis. |
| 3. | Are synthesized by bacteria as part of their defense mechanism. |
| 4. | Are present in mammalian cells for the degradation of DNA when the cell dies. |
Subtopic: Restriction Enzymes - Main Enzymes |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich one of the following hydrolyses internal phosphodiester bonds in a polynucleotide chain:
1. Lipase
2. protease
3. Exonuclease
4. Endonuclease
Subtopic: Restriction Enzymes - Main Enzymes |
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Please attempt this question first.
Please attempt this question first.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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