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Vital activities and role of microorganisms: (4 total)
- - support all living cells
- - involved in nitrogen fixation
- -replenish oxygen on Earth
- - degrade waste materials
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Bioremedation-
degradation (depletion) of toxic material
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Biosynthesis
production of antibiotics, amino acids, etc
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genetic engineering
the process by which genes from one organism are introduced into related or unrelated organisms
ex. bacteria expressing the human growth hormone gene or insulin or viral protein for vaccines
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Bacteria
single cell prokaryotes (no membrane organelles). Contain peptidoglycan in the cell wall
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Eucarya (3 things)
- - single or multicellular eukaryotes
- - members include algae, fungi, protozoa
- - contain membrane organelles (ex. mitochondria)
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Taxonomy
a system for organizing, classifying & naming living things
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concerns of taxonomy (3 total)
- - classification
- - nomenclature
- - identification
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classification
putting things in boxes for convenience
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nomenclature
name, binomial, italicized, tells you something about the agent
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identification
recording physical, biochemical or genetic traits of agents so that they may be classified
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viruses (4 total)
- - non-living members of the microbial world
- - consist of nucleic acid, surrounded by a protein coat
- - obligate intracellular parasites
- - infect all forms of life
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Prions (3 total)
- - protein only
- - causes different neurodegenerative diseases
- - always fatal
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