MCQOPTIONS
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| 1. |
Operon is [Kerala PMT 2004] |
| A. | A set of closely linked genes regulating a metabolic pathways in prokaryotes |
| B. | The sequence of three nitrogen bases determining a single amino acid |
| C. | The sequence of nitrogen bases in mRNA which codes for a single amino acid |
| D. | A gene responsible for switching on or off other genes |
| E. | A segment of DNA specifying one polypeptide chain in protein synthesis |
| Answer» B. The sequence of three nitrogen bases determining a single amino acid | |