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Wednesday, February 27, 2013

Fungus

A fungus is a member of a large sort out of eukaryotic organisms that includes microorganisms such as yeasts and molds (British English: moulds), as substantially as the more familiar mushrooms. These organisms atomic number 18 classified as a kingdom, Fungi, which is separate from plants, animals, and bacteria. One major difference is that fungal cells have cell walls that stop chitin, unlike the cell walls of plants, which contain cellulose.
Characteristics of kingdom Fungi
* eukaryotic,
* non- vascular organisms
* reproduce by means of spores, usually wind-disseminated both(prenominal) sexual (meiotic) and asexual (mitotic) spores may be produced, depending on the species and conditions
* typically not motile, although a few (e.g. Chytrids) have a motile phase. Moving or having the power to move spontaneously
* like plants, fungi have an alternation of generations
* fungi are heterotrophic ( other feeding, must feed on preformed organic material), not autotrophic ( self feeding, make their own fare by photosynthesis). Unlike animals (also heterotrophic), which make then digest, fungi digest then ingest. Ingestion is the fetching in of nutrient or other substances. Digestion refers to the breakdown of food into smaller particles, capable of later absorbtion.
* Fungi produce exoenzymes to hand this.

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an enzyme that acts outside the cell which secretes it.
* most fungi store their food as glycogen (like animals)--plants store food as starch
* ve stomachative bole may be unicellular (yeasts) or cool of microscopic threads called hyphae
* cell walls similar in construction to plants notwithstanding differ in chemical composition--fungi cell walls are composed of in general of chitin--plant cell walls are composed mostly of cellulose (plus lignin in secondary walls)
* cytoplasmic ultrastructure broadly similar to plants cells, but differ significantly in kinds of organelles and their structures.
Structure of fungi
The main body of most fungi is made up of fine,...If you want to get a full essay, order it on our website: Ordercustompaper.com



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