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Samenvatting Biologie thema 4: Rol van enzymen bij stofwisselingsprocessen

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Biologie
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Samenvatting voor Biologie thema 4 Rol van enzymen bij stofwisselingsprocessen, VANIN, Biogenie 5.2

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Ayat Abouelyazied
5ECOWET

Thema 4 – Rol van enzymen bij
stofwisselingsprocessen
 Stofuitwisseling ≠ Stofwisseling (metabolisme; nieuwe stof)
 Rol van enzymen: Reacties katalyseren
o Reacties versnellen
o Reacties vergemakkelijken
o Geen verandering
 Enzym
o Driedimensionale gestructureerde proteïne
o Kapot: Werking gestopt
o Actief centrum + eiwit
 Substraatspecifiek
 Overeenkomen stof & enzym  werking mogelijk
o Herbruikbaar
 Reactiespecifiek
 Niet kapot
 Verandert van samenstelling
 Weinig enzymen nodig
 Veel chemische reacties mogelijk
o Beperkte levensduur  nieuwe enzymen


2 soorten reacties
Anabole reacties = Assimilatie Katabole reactie = Dissimilatie
Enzymsubstraatcomplex
Enzymsubstraatcomplex


Substraat Reactieproducten Substraat Reactieproducten
Specifieke reactie
Opbouwenzym Specifieke reactie
Afbraakenzym
ZELFDE ENZYM
ZELFDE ENZYM


o Aanmaken o Afbreken
o Grote stoffen o Kleine stoffen
o Energie opnemen o Energie vrijkomen

Activeringsenergie
Drempelwaarde Drempelwaarde

Zonder enzym Zonder enzym
Veel activeringsenergie Veel activeringsenergie


Met enzym Met enzym
Minder activeringsenergie Minder activeringsenergie
Lichaam Traag Lichaam
Vrijgekomen energie
Traag Opgenomen energie




Naamgeving enzymen
 Substraat/stofnaam + ASE: Amylum  Amylase
Connected book
image
Luc D\'Haeninck, Leen dekeersmaeker Biogenie 5.2 - leerboek
Publisher: Unknown ISBN: 9789045548647 Edition: 7

Document information

Study
3e graad
School year
5
Summarized whole book?
No
Which chapters are summarized?
Thema 3
Uploaded on
March 15, 2023
Number of pages
4
Written in
2022/2023
Type
Summary
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Browse related subjects

Subjects

  • enzymen
  • stofwisseling
  • metabolisme
  • katabole reactie
  • anabole reactie
  • assimilatie
  • activeringsenergie
  • biologie
  • thema 3
  • substraten
  • actief centrum
  • ggo

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