Preventie en infectieziekten......................................................................................................................... 18
Principe vaccin: kennen......................................................................................................................................18
Basisvacinateschema........................................................................................................................................18
Microbiologie & ziekenhuishygiëne
De cel: basis voor inzicht in fysiologie mens
Cytoplasma (= cel inhoud)
o Celmembraan
Celkern of nucleus
o Kernmembraan
Celmembraan
Samenstelling
Dubbele fosfolipidemembraan
o Vetzuurstaarten: hydrofoob
o Fosfaatgroep: hydrofel = 3 water
Eiwiten
Cholesterol
Transport
Passief: difusie -> geen energie
Gefaciliteerd -> geen energie
1
, Microbiologie & ziekenhuishygiëne
Actief -> energie (ATP)
Vesiculair transport -> energie
o Endocytose: materiaal via blaasje in cel -> energie
Receptor-gemedieerde endocytose
Pinocytose
Fagocytose
o Exocytose: blaasje in cel versmelt met celmembraan -> energie
Celorganellen
Endoplasmatisch reticulum
o Functies: synthese, depot, transport, detoxifcatie
o Ribosomen: eiwitsynthese
o Ruw ER: ribosomen
Synthese eiwiten
o Glad ER: geen ribosomen
Synthese veten en koolhydraten
Golgi-apparaat
o Aanpassing stofen en verpakking voor vervoer naar buiten
Mitochondriën
o Energie: opslag als ATP
o Celademhaling
Centrosomen -> centriolen
Lysosomen en vacuolen
Structuur van DNA
Trapleuning: desoxyribose
o Verbonden door fosfaatgroep (P, gebonden aan…) aan de volgende suiker
Treden van de trap
o Complementaire stikstooasen
A-T -> adenine - thymine
G-C -> guanine - cytosine
Genetische code: 1 kant touwladder
Triplet (3 stikstooasen) vormt code 1 aminozuur
Gen: functionele eenheid van erfelijkheid
o Gen: stuk genetisch materiaal dat codeert voor 1 eiwit, dus voor 1 eigenschap
2
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