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Match the items given in Column I (types of RNA polymerase) with those in Column II (function).
| Column I | Column II | ||
| A. | RNA polymerase I | 1. | Precursors of rRNA are synthesised except 5S rRNA |
| B. | RNA polymerase II | 2. | Synthesises hnRNA coding genes |
| C. | RNA polymerase III | 3. | Synthesises precursors of tRNA, 5 S rRNA and SnRNA |
Codes
| A | B | C | |
| (a) | 1 | 2 | 3 |
| (b) | 3 | 2 | 1 |
| (c) | 1 | 3 | 2 |
| (d) | 2 | 3 | 1 |
Match the items given in Column I (types of RNA polymerase) with those in Column II (function).
| Column I | Column II | ||
| A. | RNA polymerase I | 1. | Precursors of rRNA are synthesised except 5S rRNA |
| B. | RNA polymerase II | 2. | Synthesises hnRNA coding genes |
| C. | RNA polymerase III | 3. | Synthesises precursors of tRNA, 5 S rRNA and SnRNA |
Codes
| A | B | C | |
| (a) | 1 | 2 | 3 |
| (b) | 3 | 2 | 1 |
| (c) | 1 | 3 | 2 |
| (d) | 2 | 3 | 1 |
Answer is : (a)
Eukaryotic nuclei contain three distinct types of RNA polymerases that differ in RNA they synthesise.
The correct match is given by option (a).