are mushrooms eukaryotic
Humans are eukaryotes, as are oak trees, mushrooms, and amoebas. Many, but not all, eukaryotic cells contain additional membrane-bounded organelles (e.g., mitochondria, chloroplast, Golgi bodies, etc.). The name eukaryote is derived from Greek eu-, meaning true, and karyon, denoting nucleus.
A eukaryotic cell has a membrane-bounded nucleus. Cells of this type are found in protoctists, plants, fungi, and animals. Humans are eukaryotes, as are oak trees, mushrooms, and amoebas.