bakterie Flashcards

1
Q

co su bakterie

A

jednobunkove prokaryoticke organizmy

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2
Q

stavba bakterii

A
  1. neprave jadro (nukleoid)- kruhova dvojzavitnicova DNA
  2. male kruhove molekuly DNA
  3. peptidoglykan - zakl. zlozka bunkovej steny
  4. cytoplazma, cytoplazmaticka membrana a ribozomy
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3
Q

stavba bakterii

A
  1. neprave jadro (nukleoid)- kruhova dvojzavitnicova DNA
  2. male kruhove molekuly DNA
  3. peptidoglykan - zakl. zlozka bunkovej steny
  4. cytoplazma, cytoplazmaticka membrana a ribozomy
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4
Q

tvar

A
  1. gulovity -koky, diplokoky, streptokoky, stafylokoky
  2. palickovity- bacily
  3. zakriveny tvar - vibriá,spirity a spirochéty
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5
Q

co ma gulovity tvar

A

koky, diplokoky, streptokoky, stafylokoky

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6
Q

co ma palickovity tvar

A

bacily

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7
Q

zakriveny tvar

A

vibriá, spirity a spirochéty

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8
Q

fyziologicka charakteristika 1./

A

1/ podla sposobu ziskavania uhlika- a) autotrofne - hl. zdroj uhlika je CO²
b) heterotrofne- hl. zdroj uhlika su organicke zluceniny

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9
Q

fyziologicka charakteristika 2/

A

2/ podla sposobu ziskavania energie-
a) fototrofne - primarnym zdrojom energie je svetelna energia, schopné fotosyntezy, maju chlorofyl a svetelna e ->chemicku e.
b) chemotrofne - primarnym zdrojom energie je chemická energia, vznika tam oxidacia alebo kvasenie organickych zlúčenín

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10
Q

fyziologicka charakteristika 3/

A

3/podla vztahu ku kyslíku -
a) aeróbne- porrebuju myslik
b) anaeróbne - kyslik na nich posobi toxicky
c) fakultativne anaeróbne - mozu rast aj za pritomnost aj nepritomnost

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11
Q

rozmnožovanie

A

vacsina priečnym delenim
pucanim (typicke pre kvasinky)
niektore vytvaraju spory

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12
Q

symbioza

A

z greckeho sym - spolu, bios - zivot
akykolvek trvaly a blizky vtzah medzi 2 odlisnymi druhmi
zahŕňa aj paratizmus

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13
Q

prospešné bakterie

A

creva cloveka uvolnuju vitaminy K a B12
rozkladaju celulozu v traviacej sustave prezuvavcov
obohacuju podu o dusikate latky
symbioza s bobovitymi rastlinami

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14
Q

vyznam bakterii

A

vyroba kyseliny mliecnej, octovej, acetonu
vyroba vitaminov aminokyselin antibiotik a inzulinu
zrenie syrov, jogurtov kysnutie mlieka a cistenie odpadovych vôd

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15
Q

bakterialne ochorenia u ludi

A

angina, tyfus, tetanus, cholera, mor,zapal pluc, bolerioza a tuberkuloza

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