Examine Figure 5-6A and 5-6B. Why do most parenchyma cells shown in Figure 5-6A lack nuclei, whereas

Question:

Examine Figure 5-6A and 5-6B. Why do most parenchyma cells shown in Figure 5-6A lack nuclei, whereas most shown in Figure 5-6B do have nuclei? In the geranium for Figure 5-6A, did the real cells lack nuclei, or did something happen to the nuclei as the tissue was sliced to make the microscope slide?

Figure 5-6A