Final answer:
The best cell for studying lysosomes is a phagocytic white blood cell called a macrophage.
Step-by-step explanation:
The best cell for studying lysosomes would be a phagocytic white blood cell such as a macrophage. Lysosomes play a major role in the activity of macrophages by fusing with vesicles containing pathogens and using their hydrolytic enzymes to destroy the pathogens.
For example, in a process called phagocytosis, a macrophage engulfs a pathogen into a vesicle, which then fuses with a lysosome to destroy the pathogen.