Exam 1 micro
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| What are metachromatic granules? | show 🗑
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| what are Magnetosomes? | show 🗑
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| show | ability to sense a magnetic field and coordinate movement in response
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| show | Proteins,CHO,lipids,nucleic acids (DNA and RNA),consists mostly of carbon.
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| show | term means materials that are used to construct new cellular components and required in large amounts.
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| show | elements required (for growth) in small amounts MG,Fe,Mn,etc.
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| show | use inorganic carbon for biosynthesis (assimilation or anabolism) mostly CO2 or CO3-2. Limited almost exclusively to plants and algae.
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| What prokaryotes use autotrophs? | show 🗑
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| show | organic carbon.
CHO,lipids,proteins,nucleic acids (DNA and RNA)
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| show | Gasoline,asphalt,crude oil, etc
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| show | plastics,styrofoam,etc.
No
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| show | Prokaryotes (most bacteria and ALL pathogenic bacteria), Eukaryotes (all animals,fungi,and protozoans.)
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| What are Fastidious Heterotrophs? | show 🗑
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| What are Omnivorous Heterotrophs? | show 🗑
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| show | dead host
Fungi (saprophyte,saprophytic)
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| show | living host (EX: humans)
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| show | radiant energy
mainly by storing solar energy as reduced carbon compounds.)
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| show | C02+H20+ sunlight----> C6H12O6+02
Plants,algae,and photosynthetic bacteria are able to do this
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| show | preformed reduced carbon compounds (formed by phototroph) Animals, fungi,protozoans and nearly ALL bacteria do this.
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| show | few
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| What are photoautotroph? What does this include? | show 🗑
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| What are photoheterotropths? What does this? | show 🗑
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| What are Chemoautotrophs? What includes this? | show 🗑
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| What are Chemoheterotrophs? What includes this? | show 🗑
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| What is minimum growth temperature? | show 🗑
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| What is maximum growth temperature? | show 🗑
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| show | enzyme activity slows with decreasing temperature. Proteins will be denatured at higher temperatures and since all enyzmes of are proteins they are affected.Ribsomes are also affected (probably because that is where proteins are synthesized.)
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| optimum of growth temperature is what? | show 🗑
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| What is psychrophiles? | show 🗑
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| What temperature does psychrophiles grow well at? | show 🗑
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| Mesophiles are the most common to grow at what temperature | show 🗑
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| thermophiles like / require high temperature. What is temperature? | show 🗑
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| In 1983 a archaebacterium was discovered growing / thriving on the floor of where? | show 🗑
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| show | kill all vegatative cells and spores
NO
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| show | Oxygen
20%
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| obligate aerobes will died if 0xygen levels gets ________. | show 🗑
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| Microaerophiles grow best at oxygen below what? | show 🗑
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| Most tissues are in the 2-10 % therfore many parasites and pathogenic microorganism are what? | show 🗑
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| _____ are organisms that do not require oxygen for growth | show 🗑
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| show | obligate anaerobes
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| What is facultative aerobe ? what is facultative anaerobe? | show 🗑
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| Aerotolerent can do what? | show 🗑
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| Neutrophiles | show 🗑
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| Acidophiles | show 🗑
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| Obligate acidophiles reqire PH less than 3 | show 🗑
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| show | 3 and 6
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| show | acidophiles
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| Alkaophiles- opt PH for growth is what? | show 🗑
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| Sexual reproduction does ____ occur in bacteria | show 🗑
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| Asexual reproduction occurs in a variety of ways. What are they? | show 🗑
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| Binary Fission | show 🗑
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| show | Rare. Some streotomyces do this. They grow long multinucleated filaments that break off and develop into individual cells.
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| Budding | show 🗑
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| What is an autotroph? | show 🗑
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| what is a heterotroph | show 🗑
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| What is a phototroph | show 🗑
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| Mycoplasmatales is a group of bacteria that lacks a _____ ______ | show 🗑
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| What are L-forms | show 🗑
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| show | polysaccharide that forms cell wall in the Eubacteria. It is a polymer of N-acetlyglucosamine and N-acetylmuramic acid.
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| Gram + have a ____ layer of peptidoglycan in cell wall. | show 🗑
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| Gram - have a much _____ layer of peptidoglycan in cell wall | show 🗑
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| show | outer membrane
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| show | endotoxin
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| show | Lipid A
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| show | peptidoglycan
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| show | hollow,rigid, bristle-like structures that extend from the cell wall of GRAM - bacteria ONLY
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| show | electron micrographs
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| How are pili used? | show 🗑
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| Cell walls do not occur in _______ or ________. | show 🗑
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| show | cellulose
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| What makes of the cell wall of fungi? | show 🗑
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| show | cellulose
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| show | Chitin (because of fungi and insects)
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| show | flexible LIVING outer covering of ALL cells
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| Membranes are __________ __________ with various protein embedded | show 🗑
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| membranes are ________ ____________. Concept of surface to volume ratio | show 🗑
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Created by:
harmonypitman