Final answer:
True. Scientists have identified viruses that can infect fungal cells, known as mycoviruses.
Step-by-step explanation:
True. Scientists have identified viruses that are able to infect fungal cells. These viruses, known as mycoviruses, can cause various diseases in fungi. Some examples of mycoviruses include the Cryphonectria hypovirus 1, which infects the chestnut blight fungus, and the Chrysovirus, which infects the oyster mushroom.