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Samenvatting HAP20306 Mens en Dierkunde 2 Module A

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Uitgebreide samenvatting van Module A van Mens en Dierkunde 2 (HAP-20306)

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Mens en Dierkunde 2
Hoofdstuk 14 Energie metabolisme en thermoregulate

Energiemetabolisme
 Alle chemische reactes ii hee lichaam waarbij eiergieopslag/verbrui beero ei is.

Katabolisme vs anabolisme
 Katabolisme  afbraa ,b eiergievvrijeetig
 Anabolisme  Opbouw,b Eiergievopslag

ATP
Uiiversele eiergiedrager  ATP
ATP ai gemaa e wordei d.m.v. aeabolisme vai macroiueriëieei  op 2 maiierei
 Aeroob ( ose euurseof)
 Aiaeroob

Uie macroiueriëieei (eiwitei,b oolhydraeei,b vetei) worde dus eiergie gehaald maar is oo eiergie
iodig om deee iueriëieei ee vormei

7 cal aai eiergie iodig voor hee ma ei vai 1 ATP

ATPvsyiehese via 2 processei
 substrate level fosforylate  fosfaae groep vai eei aider molecuul worde geboidei ei
ATP
o X – P + ADP  X + ATP
 Oxidateve fosforylering  ATP biide aai vrije fosfaae
o ADP + P  ATP
o Ele eroiei eraispore eeei iodig + euurseof iodig

Eiergie ai oo tjdelij wordei opgeslagei  bij afbraa eoe ADP ome dai eiergie vrij
ATP Hydrolyse
 ATP  ADP + P + eiergie

Glucose Oxidate  Kaeabolisme  afbraa glucose eorge voor vormei vai eiergie
 C6H12O6 + 6O2  6CO2 + 6H2O + eiergie
 Eiergie die vrij ome bij afbraa glucose worde gebrui e voor ATP syiehese
o ATPvsyiehese,b positeve eiergie veraideriig  gebeure iiee spoieaai.

1 mol glucose  686 cal eiergie ome vrij  ai dus 98 mol ATP wordei gevormd

1 ATP molecuul 7 cal  32 ATP moleculei hebbei dus 224 cal eiergie iodig.
Er worde 686 cal eiergie geleverd  oig 33% dus verlorei aai warmee (reseproduce)
Warmee worde gebrui e voor lichaamseemperaeuur.

Seages of glucose oxidatoi
Oxidate vai glucose gebeure meerdere seappei
1. Glycolyse
2. Pyruvaae  aceeylvCoA
3. Krebs cyclus (cieroeieuurcyclus)
4. ele eroieieraispore eeei

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