Complete the passage by writing a suitable word or words in each of the spaces.

Unlike eukaryotic organisms, bacteria are prokaryotes because they lack a membrane-bound _____________. Their genetic material consists of a single circular chromosome of DNA, and they may also contain small, circular loops of DNA called _____________. The bacterial cell wall is made of a substance called peptidoglycan, whereas the cell walls of fungi are composed of _____________.

Fungi can be multicellular, such as mushrooms and moulds, or unicellular, such as _____________. Multicellular fungi are organised into a thread-like network called a _____________, which is made up of individual strands called hyphae. Fungi feed by secreting extracellular enzymes onto their food and absorbing the digested products; this method of feeding is known as _____________ nutrition. Like animals, fungi store their carbohydrate reserves as _____________.