MCQ
Choose the correct pair from the following
- AExonucleases : Make cuts at specific positions within $DNA$
- ✓Ligases : Join the two $DNA$ molecules
- CPolymerases : Break the $DNA$ into fragments
- DNucleases $:$ Separate the two strands of $DNA$
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| (a) Ophiura | (i) Mollusca |
| (b) Physalia | (ii) Platyhelminthes |
| (c) Pinctada | (iii) Echinodermata |
| (d) Planaria | (iv) Coelenterata |