Step 1. mRNA is transcribed in the nucleus, exits to the cytosol through, and binds to a ribosome.
Step 2. Protein synthesis occurs at the rough endoplasmic reticulum.
Step 3. The protein travels by vesicle from one organelle to another inside the cell.
Step 4. The Golgi apparatus processes, sorts, and tags the protein for delivery to its final destination.
Step 5. Exocytosis.
They will likely be wiped out as well, since if the fungus can wipe out some of the Cavendish bananas, they will be likely to be able to wipe out the rest since they all share the same genes. Since they all share the same genes they will have the same weaknesses the fungus can exploit