bio Flashcards

(29 cards)

1
Q

1 zakon bunkovej teorie

A

zakladom kazdeho oragnizmu, rastiliny a zivocichov je bunka ktora je nostielom vsetkych zivotnych funkcii

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2
Q

2 zakon bunkovej kovej teorie

A

kazda bunka vznika len delenim s uz existujucej bunky

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3
Q

ake typy mikroskopov pozname

A

svetelny , elektronovy, polarizačny, opticky, digitalny

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4
Q

vymenuj vseobecne vlastnosti bunky

A

chemicke zlozky , stavba, metabloizmus , rozmnozovanie, dedicnost

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5
Q

vymenuj funkcie vody

A

prostredie v chem. deje, transportna , termoregulačna? ovplyvnuje fyz a chemicke procesy v bunke

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6
Q

vymenujte funkcie latik a uvedte po jendom prikalde

A

stavebna- bielkoviny
zasobna-lipidy
metabolicka- sacharidy
substrat-voda

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7
Q

vymenujte funkcie cukrov

A

okamzity zdroj energie,zasobna, stavebna funkcia , sucast enzymov a hormonov

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8
Q

definujte bielkoviny

A

bielkovina je makromolekulova latka ktora je zlozena z aminokyselin ktore su spojene peptidovou vazbou do polipeptidoveho zvazku

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9
Q

aky je rozdiel medzi rna a dna

A

rna je jednozavitnicova namiesto tyminu ma uracil a ma ribozu namiesto deoxyribozy

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10
Q

aka je funkcia dna

A

uchovavat a odovzdavat geneticku informaciu o poradi aminokyselin v bielkovinach

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11
Q

aka je funkcia h3po4 v dna

A

spaja susedne pentozy kovalentnou bazou

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12
Q

ake su typy rna

A

mediatorova, transferova , ribozomalna,

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13
Q

od coho zavisia vlastnosti bielkovin

A

od poctu a poradia aminokyselin

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14
Q

co je chemicke zlozenie bunky

A

h2O-60-90%
sušina- anorganicke -inony fe ca k
-soli CaCo3, S, O2
oragnicke- lipidy
sacharidy
bielkoviny
nukleova kys

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15
Q

vymenuj dusikate bazy dna a napis na zaklade akeho principu sa sapajaju

A

spajaju sa na zaklade principu komplimentarity
( Adenin, tymin, guanin, citozin )

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16
Q

definuj bunku

A

bunka je zakladna stavebna a funkcna jednotka vsetkych zivych organizmov okrem virusov

17
Q

kto kedy sformuloval bunkovu teoriu

A

1838 schlieden schwann

18
Q

od coho zavisi mnzostvo vody v bunke

A

prostredia, veku, organizmu

19
Q

co su funkcie tukov

A

zasoba, zdroj enrgie, stavebna funkcia, sucast hormonov a enzymov, izolacna, zdroj vitaminov

20
Q

o aky typ cukru ide
glukoza
glykogen
sacharoza
chytin

A

monosacharid
polysacharid-zasobny
dysacharid
polysacharid stavebny

21
Q

aka vezba spaja aminokyseliny v bielkovinach

22
Q

definuj aminokyseliny

A

stavebne prvky bielkovin

23
Q

vymenuj aminokyseliny

A

prolin
serin
izoleucin
leucin
valin

24
Q

preco su tuky najhosposarnejsim zdrojom enrgie ?

A

su relativne stale, tvoria tepelne a mechanicky odolne vrstvy okolo dolezitych telesnych organov a gram tuku je 30kj energie

25
kde vsade je ulozena dna
v jadre mitochondriach plastidoch
26
co znamena princip koplimentwrity baz
dana baza sa vies spojit len s konkretnou bazou inou
27
co je zakladna stravebna jednotka nukleovych kyselin
nukleotid
28
definuj tuky
su to estery vyssich mastnych skupin kyselin a glycerolu
29
kto prvy spozoroval bunku pod mikroskopom
robert hooke