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25 Cards in this Set
- Front
- Back
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Pathogens |
Microbes that cause disease are termed |
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Spontaneous generation |
The theory that some forms of life arise from nonliving matter is referred to |
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Helminths |
A parasitic worm |
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Commensalism |
A symbolic relationship where there is no perceived cost or benefit to The Host |
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Acids add |
Hydrogen ions H+ |
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Chemotaxis |
Movement of bacteria in response to chemicals |
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Classify organisms from largest most broad category two smallest most narrow category |
Domain kingdom phylum class order family genus species |
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Size of ribosomes in eukaryotes |
80S |
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Endergonic |
Type of reactions occur when reactions use more energy than released |
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The three types of RNA |
Transfer ribosomal and messenger |
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Pleomorphic |
Variation in size and shape of cells of a single species due to nutritional and genetic differences |
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Purpose of mordant in the Gram stain |
Do complex with or hold the crystal violet |
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Why are basic stains used when performing a simple stain |
They have a net positive charge |
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Binomial nomenclature |
Two name system Genus first, capitalized Species is second name, lowercase Scientific names are italicized |
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PH =? |
-log[H+] |
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When a bacterial cell is placed in pure water a hypotonic solution |
Water will move into the cell |
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Active transport |
Mechanism that cell can transport a substance from a lower to higher concentration |
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Peritrichous |
When a bacteria have several flagella surrounding the cell this type of flagellar arrangement is called |
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Fimbriae |
Used primarily for attachment |
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Genome |
Entire collection of genetic material in a cell or virus |
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In DNA blank binds to blank |
A binds to T |
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Dermatophyte |
True pathogens that can cause fungal infections of the skin, hair, nails |
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Endocytosis |
Process by which things are imported into the cell |
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Ignaz Semmelweis |
Scientist that suggested hand-washing as a way to reduce infections |
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Van leeuwenhoek |
Scientist made and used simple microscopes |
