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18 Cards in this Set
- Front
- Back
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What are microorganisms?
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Organisms that are too small to be seen with the unaided eye.
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What is bacteriology?
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The study of bacteria.
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What is mycology?
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The study of fungi
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What is parasitology?
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The study of protozoa and parasitic worms.
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What is genomics?
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The study of an organisms genes.
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What do microorganisms do?
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Decompose organic waste.
Are producers in the ecosystem and photosynthesis. Produce ethanol and acetone. Produce fermented foods; vinegar, cheese, and bread. Responsible for food spoilage. Many are pathogenic - disease causing. |
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What did linnaeus do?
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Established the scientific nomenclature.
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What are the two names of each organism?
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1. The genus
2. Specific Epithet |
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What are the domains of microorganisms?
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Bacteria
Archaea Eukarya - Protists, Fungi, Plants, Animals. |
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What are bacteria?
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Prokaryotes
They have peptidoglycan walls Binary Fission For energy, they use organic chemicals, inorganic chemicals, or photosynthesis. |
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What is Archaea?
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Prokaryotic
Lacks peptidoglycan Live in extreme environments - methanogens, Extreme halophils, extreme thermophils. |
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What is fungi?
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Eukaryotes
Chitin cell walls Use organic chemicals for energy Yeasts are unicellular Molds and mushrooms are multicellular. |
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What are Protozoa?
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Eukaryotes
Absorb or ingest organic chemicals May be motile via cilia or flagella or pseudopods. |
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What is Algae?
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Eukaryotes
Cellulose cell walls Use photosynthesis for energy Produce molecular oxygen and organic compounds. |
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What are Viruses?
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Acellular
Consists of DNA or RNA core. Core is surrounded by a protein coat. Coat may be enclosed in a lipid envelope. Viruses are replicated only when they are in a living host cell. |
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What are Parasites?
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Eukaryote
Multicellular animals Flatworms and roundworms are called helminths. |
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Cell Theory?
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All living things are composed of cells and come from preexisting cells.
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What is biogenesis?
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Living organisms arise from preexisting life.
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