Final answer:
A drug that inhibits mitosis, such as griseofulvin, would be more effective against fungi.
Step-by-step explanation:
A drug that inhibits mitosis, such as griseofulvin, would be more effective against fungi. Griseofulvin specifically disrupts fungal cell division by interfering with microtubules involved in spindle formation during mitosis. As fungi rely on mitosis for growth and reproduction, inhibiting mitosis would effectively target and inhibit fungal growth.