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32 Cards in this Set
- Front
- Back
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Mycobacterium species |
acid fast cell wall thats waxy |
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Mycoplasma species |
sterols and glycolipids in CM that provide strength |
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Planctomyces species |
protein instead of peptidoglycan |
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how are archaeal lipids linked? |
ether linked instead of ester linked |
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T/F archaeal membranes are formed by fatty acids |
F, they are formed by glycerol diethers such as isoprene |
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which is better for living in extreme conditions, bilayer or monolayer? why?
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monolayers due to their covalent diglycerol tetraether bons |
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T/F archaeal lipds can be branched
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T |
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What can archaeal cell walls be made of?
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-polysaccharides OR -pseudomurein |
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describe pseudomurein |
similar to peptidoglycan |
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T/F archaea use all L-amino acids |
T |
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T/F all eukaryotes have a cell wall
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F, only some |
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what is the cell wall made of in plants and algae
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cellulose |
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what is the cell wall made of in fungi |
chitin |
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of the capsule and slime layer, which one is loosely attached |
the slime layer |
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what are the three functions of the capsule and slime layer |
-protect cells from phagocytosis -allow cells to stick to surfaces |
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how many fimbriae do cells have
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a lot |
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how many pili do cells have
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one or a few |
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what are fimbriae and pili used for? |
adhesion |
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what does fimbriae aid in? |
formation of pellicle and biofilm |
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what does pili aid in? |
genetic exchange, twitching motility, and bacteriophage attachment |
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what does PHB store?
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lipids |
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what does glycogen store
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sugar |
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where is phosphate stored |
in phosphodiester bonds |
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where is sulfur stored |
in amino acids |
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what are the three characteristics of gas vesicles |
-aid in buoyancy -only permeable to gases |
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/F all cells can form spores |
F, only some gram positive bacteria can form spores |
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What causes a vegetative cell to start creating a spore |
extreme conditions |
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how does the spore become a vegetative cell again? |
goes through germination under conditions of sublethal heat and experience outgrowth and restart of metabolism |
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what is the exosporium
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thin outer protein coat of spore
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what is the spore coat
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layers of spore-specific proteins |
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what is the cortex |
loosely linked PG
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what are the three characteristics of Dipocolinic acids |
-binds water to dehydrate spore -stabilizes DNA |
