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Microbiology > Cells and Structures > Flashcards

Cells and Structures Flashcards

1
Q

Are prokaryotes or eukaryotes larger

A

eukaryotes

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2
Q

Do prokaryotes or eukaryotes have a faster metabolism

A

prokaryotes

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3
Q

Do prokaryotes or eukaryotes have membrane bound organelles?

A

eukaryotes

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4
Q

binary fission

A

asexual reproduction, most bacteria

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5
Q

budding

A

reproduction of most fungi

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6
Q

cell shapes

A

cocci, round
coccobacillus oval
bacillus long oval
vibro bend oval
spirillum spiral
pleomorphic differing shape
spirochete

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7
Q

pleomorphic shape is found in

A

older microbes

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8
Q

cell arrangements

A

strepto-chains
staphylo-clusters of grapes

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9
Q

name of a molecule

A

arrangement then shape

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10
Q

glycocalyx (composition, gram, function, virulence factor)

A

(outer slime layer/grey outline) polysaccharides, both, allows bacteria to stick together, biofilms, NOT A SOURCE OF NUTRIENTS

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11
Q

Flagella (composition, gram, function, virulence factor)

A

protein, gram + and gram - (spirochetes), mobility (+ towards - away, towards high concentration of nutrients), attaching to surfaces,

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12
Q

pili/fimbriae

A

proteins, both, fimbriae for attachement, pili for DNA transfer, adhesins allows to stick

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13
Q

cell wall (composition, gram, function, virulence factor)

A

proteins and carbs, maintains shape,

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14
Q

peptidoglycan

A

disaccharide, NAG-NAM, cross linked with short peptides

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15
Q

lysozyme

A

an enzyme that in tears, digest peptidoglycan

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16
Q

gram + wall

A

60-90% PepGlyCAN, have teichoic acid,

17
Q

penicillin interferes with cell wall chain linkages crossing together this is affective in

A

gram +

18
Q

gram - wall

A

outer layer, LPS (endotoxin), more resistant to antibiotics,

19
Q

LPS

A

polysaccharide (O), core polysaccharide, lipid A (toxic part), causes fever, dilation, and low blood pressure, related when bacteria die and degrade

Microbiology (8 decks)

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