chemicke zlozenie bunky Flashcards

(17 cards)

1
Q

anorganicke latky a voda, ake su anorganicke soli

A

chloridy, fluoridy, uhlicitany,foforecany

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2
Q

co robi voda

A

tvori 60-90% hmotnosti bunky

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3
Q

funkcie anorganickych latok a vody

A
  1. rozpustadlo
  2. vytvara prostredie pre chem. a fyz. deje
  3. reguluje telesnu teplotu
  4. transport latok
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4
Q

organicke latky

A

-tvoria asi 30% hmoty organizmu
1. cukry - sacharidy
2. nukleove kyseliny
3. bielkoviny- proteiny
4. tuky- lipidy

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5
Q

cukry sacharidy zakl. jednotka

A

zakl jednotka - jednoduche cukry- monosacharidy

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6
Q

funkcie cukrov prvý

A
  1. zdroj energie- glukoza- hroznovy cukor + fruktoza- ovocny cukor= monosacharidy
    sacharóza- repny cukor+ maltoza- skladovy cukor+ laktoza- mliečny= disacharidy
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7
Q

funkcie cukrov druhy

A
  1. zásobny zdroj energie- skrob( rastliny)+ glykogen( živočíchy) = olihosacharidy
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8
Q

funkcie cukrov tretí

A
  1. stavebné - celulóza- bunkova stena rastlin+ chitín- bunkova stena húb, tela hmyzu= polysacharidy
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9
Q

nukleove kyseliny zakl jednotka

A

nukleotid ( dusikata baza+ cukor+ kyselina forforecna)

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10
Q

2 typy nukleovych kyselin

A
  1. DNA- deoxyribonukleova kyselina
    - uchovava geneticke informacie
    - ma 2 vlakna - dvojzavitnica
  2. RNA - ribonukleova kyselina
    - nevyhnutna pri synteze bielkovin
    - ma 1 vrstvu
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11
Q

z coho sa sklada dna

A
  • cukru (2-deoxy-D-riboza)
  • kyselina trihydrogenfosforecna
  • dusikate bazy- purinove a pyrimidinove
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12
Q

z coho sa sklada rna

A
  • cukor- D-riboza
  • kyselina trihydrogenfosforecna
  • dusikate bazy- purinove a pyrimidinove
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13
Q

co je zakl. jednotkou bielkovin

A

aminokyseliny ( 20druhov)

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14
Q

s cim su aminokyseliny spojene

A

s pepridovou väzbou

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15
Q

funkcie bielkovin

A

1.stavebné latky- keratin(nechty, vlasy) a kolagen, elastin ( koza, chrupavka)
2. enzymy, hormony, protilatky
3. transport: hemoglobin( prenos O2 a CO2 v bunkach)
4. pohyb: aktin,myozin( svaly)

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16
Q

funkcie tukov

A
  1. zdroj energie
  2. produkcia tepla
  3. rozpustaju vitaminy ( A D E K)
  4. tepelna izolacia
  5. stavebne latky (fosfolipidy)
17
Q

funkcie tukov

A
  1. zdroj energie
  2. produkcia tepla
  3. rozpustaju vitaminy ( A D E K)
  4. tepelna izolacia
  5. stavebne latky (fosfolipidy)