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| Q. |
Expression of T7 promoter- lac operator hybrid requires |
| A. | t7 rna polymerase |
| B. | an inducer such as iptg |
| C. | both t7 rna polymerase and inducer such as iptg |
| D. | t7 dna polymerase |
| Answer» C. both t7 rna polymerase and inducer such as iptg | |
| Explanation: expression of t7 promoter- lac operator hybrid requires both t7 rna polymerase and inducer such as iptg. if inducer is absent levels of expression are very low. | |
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