Microbiology test with 100% verified solutions 2024
Microbiology test with 100% verified solutions 2024 Bacteria Prokaryotes Generally appear in the shape of Bacillus, coccus and spiral. Form pairs, clusters, chains or other groupings. Enclosed in a protein complex cell wall called peptidoglycan. Reproduced by binary fission, and for nutrition it uses organic chemicals that are derived from other organisms through nature. Many bacteria have flagella Archaea Prokaryotic cells, but LACK peptidoglycan. Found in extreme environments with 3 main groups: 1. Methanogens produce methane as a waste from respiration. 2. Halophiles live in an extremely salty environment (great salt lake and dead sea). 3. Thermophiles live in hot sulfurous water, such as hot springs and Yellowstone National park. NOT KNOWN TO CAUSE DISEASE IN HUMANS. Fungi EUKARYOTES: organisms whose cells have a distinct nucleus containing the cells genetic material (DNA), surrounded by a nuclear membrane. Unicellular or Multicellular. True fungi composed of CHITIN. Unicellular forms, YEASTS, larger than bacteria. Most typical is MOLDS, visible masses called CELIA, composed of long filaments (HYPHAE) that branch and intertwine. Cottony substance found on bread is called MYCELIA.
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- Subido en
- 21 de marzo de 2024
- Número de páginas
- 18
- Escrito en
- 2023/2024
- Tipo
- Examen
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