Summary
Samenvatting Inleiding
- Course
- Institution
inleiding biomoleculen
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By: e5m2 • 2 year ago
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Lieze2
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biomoleculenInleiding
1 Situering
Biochemie is de wetenschap die, op het snijvlak van biologie en scheikunde, samenstelling van en
samenwerking tussen de verschillende moleculen onderzoekt die bijdragen tot de structuur en
stofwisseling van organismen.
Katabolisme en anabolisme treden gelijktijdig op in de cel en zijn zo aan elkaar gekoppeld dat een
dynamisch evenwicht ontstaat. Gedurende groei en weefselherstel domineren anabole reacties
2 De elementaire samenstelling van organismen
2.1 Bouw-elementen, oligo-elementen en spoorelementen
11 bouwelementen (99,95%) O, C, H, N, Ca, P, K, S, Na, Cl en Mg
PONCHS: kunnen stabiele covalente bindingen vormen
Ca2+, K+, Na+, Mg2+, Cl-: ionen
Spoorelementen (0,05%)
Noodzakelijk = oligo-elementen
gebrekziekten indien te kort, verdwijnt na toediening
Voorkomend in
een noodzakelijke
verbinding
(structuurformule
gekend)
Toevallig
Bouwelementen + oligo-elementen vormen de bio-
elementen
1
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