Cytoplasm, Jelly-like substance, where chemical reactions happen. In plant cells there's a thin lining, whereas in animal cells most of the cell is cytoplasm.
Minor damage of the cytoplasm in a living cell can be repaired by itself but if it is very severe. What happens after ribosomes pass into the cytoplasm? they attach ...
What is the 15% of solution? Salt? Glucose? Assuming it is 15% salt solution, the solution is hypertonic to the cell sap of the plant cell.