A situation where friction would be desirable is rubbing your hands together to make them warm in the winter time.
An impulse relayed along a myelinated axon jumps from node of Ranvier to node of Ranvier.
The correct term is fission.
Answer:
1. Isolation of donor DNA fragment or gene.
2. Selection of suitable vector.
3. Incorporation of donor DNA fragment into the vector.
4. Transformation of recombinant vector into a suitable host cell.
5. Isolation of recombinant host cell.
