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Samenvatting collegeaantekeningen 'Cel tot Molecuul' Thema 1

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Alle collegeaantekeningen van 'Cel tot molecuul' Thema 1 op een rijtje.

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HC 2: MITOSE EN MEIOSE
Mens: 46 chromosomen, 23 paar.

Doel mitose en meiose:
- Voortplanting
- Groei
- Herstel

Mitose = dochtercellen voor groei en herstel
Meiose = gameten voor voortplanting

Centromeer = plek waar DNA na replicatie aan elkaar wordt gehouden
Kinetochoor = structuur van eiwitten waar de microtubuli zich aan hechten
Microtubuli = spoeldraden om DNA uit elkaar te trekken
Centrosoom = twee centriolen waar de micortubuli zich vormen

Mitose:




Celcyclus:

, Interfase:
- Duidelijke kern
- DNA gedespiraliseerd
- Voorbereiding mitose
 Replicatie chromosomn
 Productie eiwitten en organellen voor dochtercellen
 Verdubbelen centrosomen

Profase:
- Condensatie chromatine
 Zichtbare chromosomen
- Kernmembraan verdwijnt
- Centrosomen verplaatsen zich naar polen
- Vorming spoeldraden

Pro-metafase:
- Chromosomen gecondenseerd
- Spoeldraden binden aan kinotochoor
- Chromosomen gaan bewegen richting het vlak
Metafase:
- Chromosomen liggen op equatoriaal vlak

Anafase:
- Splitsing chromatiden

Telofase:
- Chromosomen op tegenoverliggende polen
 Vorming dochtercellen
 Vorming kern
- Spoeldraden verdwijnen

Cytokinese:

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Uploaded on
November 14, 2023
Number of pages
12
Written in
2021/2022
Type
Class notes
Professor(s)
Yvonne hilhorst
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