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Samenvatting Suikers of sachariden

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Ik vat in deze samenvatting de sachariden, ook bekend als de suikers, samen. Ik heb het dan over de definitie en de functie, de verschillende indelingen (monosachariden, disachariden, polysachariden) en hun specifieke moleculen.

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Suikers of sachariden

2. Structuur en functies van suikers, eiwitten en vetten
2.1 Suikers of sachariden
2.1.1 Belang

Sachariden:
- Biochemische verbindingen
- Functie:
- energieleveranciers voor alle levende wezens
- bij planten vormen sachariden structuur van de celwand
- Ribose: nodig om DNA (desoxyribonucleïnezuur) en RNA (robosomaalribonucleïnezuur)

2.1.2 Indeling

C (carbon), H (waterstof), O (zuurstof) verbindingen waarin verhouding aanwezige elementen
= CnH2mOm
➜ valt te verdelen in 3 groepen in functie van hun samenstelling

➤ MONOSACHARIDENaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
- kleinst mogelijke C,H,O verbinding
- brutoformule: CnH2mOm
- alcoholfunctie
- aldehydefunctie
- ketonfunctie
- belangrijkste monosachariden: pentosen (C5H10O5 ), en hexosen (C6H12O6)

GLUCOSE

Belang: - bouwsteen van sommige polysachariden
- belangrijke energiebron (ATP aangemaakt in mitochondriën)
Voorkomen: honing, lichaamsvocht zoals bloed en lymfevocht, sap van rijpe vruchten,...



FRUCTOSE

Belang: levert energie


Voorkomen: vruchten en honing




GALACTOSE

Belang: levert energie

Voorkomen: gevormd na vertering van lactose of melksuiker



RIBOSE



Belang: bouwsteen van RNA en DNA

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2nd degree
School year
5
Uploaded on
June 7, 2022
Number of pages
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2021/2022
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Summary
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