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BIO 1- ebal > MONOSAKARIDOAK > Flashcards

MONOSAKARIDOAK Flashcards

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1
Q

isomeriak

A
  • egiturazkoa
  • epimero ( D/L)
  • enantiomero (ispilu) ___ optikoak
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2
Q

monosak irudikapena

A

Fischer proiekzioak:
3d = 2d
karbonilo goian
C erreduzituena behean

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3
Q

triosak

A
  • glizeraldehido
  • dihidroziazetonak

metabolismo = fotosintesi / lipido

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4
Q

pentosak

A
  • erribulosa 3,4 zetona
  • erribosa 234
  • desoxirribosa

CO2 / arn + adn + koentzima osagai ( NAD;ATP;FAD)

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5
Q

hexosak

A
  • glukosa 245
  • fruktosa 45
  • galaktosa 25

zelula + odol+ fruta /fruta + semen/ laktosan + esnea

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6
Q

egitura ziklikoak

A
  • monosak + ura = eraztuna = pirano /furano
  • Haworth
  • lotura kobalente 2 : hemi(a)zetaliko
  • karbono asimetriko = anomerikoa = 2 konformazio = B(up) eta a (down)
    -mutaerrotazioa = B -> a ; a->B
  • piranoak = cis//trans
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7
Q

ezaugarri kimikoak

LOTURAK

A
  1. ester loturak : esterifikazioa (fosfato taldeak)
  2. Lotura N-glukosidiko (aminoazukreak)
  3. Lotura O-glukosidiko (disakarido//polisakarido)
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8
Q

NOLA APURTU LOTURAK ?

A

hidrolisiz
enz katalizatuta : sakarosa,maltasa,…

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9
Q

Gaitasun erreduktorea

A
  • erredox erreakzioak : osagarriak
  • karboniloak = konposatuak erreduzitu
  • monosak oxidatu ( e- galdu )
  • gluzidoen identifikaziorako
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10
Q

Fehling froga

A
  • disol gluzidoduna
  • erreaktiboa : kobre gatzak
  • karboniloek Cu erreduzi dezakete
  • disol berotu =
    1. urdina = ezer ez
    2. gorria = kolore aldaketa = gluzidoak daude
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11
Q

Lotura O-glukosidiko motak

A
  • MONOKARBONILIKO : 1 C anomeriko - C random = 2C anomeriko libre = erreduzitu
  • DIKARBONILIKO : 2 C anomeriko = no erreduktore
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12
Q

isomeria def

A

formula enpiriko =
egitura espazial =xxx

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BIO 1- ebal (22 decks)

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