Microbiology (KW) Flashcards
(43 cards)
Why are microbes important
Soil microbes responsible for breaking down waste and providing nitrogen
Intestinal help by manufacturing vitamins we cannot make ourself
Marine and freshwater microbes are at bottom of food chain
How can microbes be used for industrial application?
Produce compounds like acids, alcohols, vitamins, drugs
What is the nomenclature used for microorganism?
Genus & species
Always use both with referring to microbe
Ex) Escherichia Coli aka E.Coli
When can you use an abbreviation for microbe?
When full name already used once in writing
What does “staphylo” mean?
Clustering shape of cells
What does “coccus” mean?
Circle shaped
What are some types of microbes?
Bacteria, archaea, fungi, protozoa, algae, viruses, multicellular animal parasites
What is a prokaryote?
Organisms made up of cells that lack a nucleus or membrane encased organelles
What is a Eurkaryote?
Organisms made of cells that possess a membrane bound nucleus that hold genetic material
What type of cell is bacteria?
Prokaryotic, unicellular
What are the 3 common shapes of bacteria ?
Bacillus/rods
Coccus (round)
Spirillum (spiral)
How do bacteria survive?
Metabolizing various organic chemicals derived from breakdown of materials from organisms
How do bacteria reproduce?
Binary fission
Asexual
What ways can bacteria be motile?
Flagella, pili, fimbriae
What is an archaea?
Prokaryotic organism that has cell wall containing no peptidoglycan
What is unique about archae regarding humans?
Not known to be human pathogen (does not cause disease in humans)
What is fungi considered?
Eurkaryotic organism that can be unicellular or multicellular
How do fungi reproduce?
Asexually or sexually
What is an example of multicellular fungi?
Large. Include molds & mushrooms
What is an example of small fungi?
Unicellular. Yeasts. Still much larger than bacteria
T/F fungi are natural decomposers
TRUE. Do not carry out photosynthesis.
How do fungi get nutrients?
Obtained by absorbing it from surroundings
What is unique about fungus?
Fungal spores are different than bacterial spores, and are a major way fungi move to new places to grow
What is protozoa considered?
Eukaryotic. Unicellular microorganism that is motile