Remember the following when propagating fruit-bearing trees: 1. Choose a stem that is neither too young nor too old. 2. Make sure the materials used for propagation are from the same species. 3. Make sure the stock and scion are properly fitted to one another. 4. Propagation should be done when appropriate.
Diffusion can occur across partialy permeable membranes, such as those surrounding cells. Therefore, diffusion is involved in the movement of important molecules into and out of cells. It is important for the uptake of substances needed by cells, and also the removal of waste products produced by the cells
This is the answer in question 5 ⬇