21. Which of the following are responsible for causing the diseases?
A. Pathogens
B. T cells
C. Lymphocytes
D. Macrophages
22. In which of the following cell types more cellular detail can be observed using an electron microscope compared to a light microscope?
A. Animal
B. Bacterial
C. Protist
D. All of these
23. Which of the following is present in both prokaryotes and eukaryotes?
A. Lysosome
B. Chloroplast
C. Plasma membrane
D. Vacuole