Completar frases Fungi test activityVersión en línea Close activity relating to fungal organisms por Luke Houweling 1 are a large group of organisms with cells with a membrane covered ( ) . Fungal cells have a cell . The cell walls of fungi are made of instead of cellulose as in the walls of plant cells . Fungi range from - celled organisms such as yeast through to - celled organisms such as mold and mushrooms .