Samenvatting H7 "Biology A Global Approach, Global Edition", tenth edition

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Samenvatting H7 "Biology A Global Approach, Global Edition", tenth edition

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Een samenvatting van hoofdstuk 7 van "Biology A Global Approach" de tiende druk van de global edition. Dit hoofdstuk gaat over alle onderdelen in eukaryotische cellen.

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Aantekeningen H7
 Microscopische technieken beschrijven die worden gebruikt bij het bestuderen van cellen
 Lichtmicroscopen:
- Standaard lichtmicroscoop
- Fase contrastmicroscoop
- Fluorescentie microscoop

 Elektronenmicroscoop:
- Gebruikt geen licht maar elektronen.
- Golflengte van een e- is veel korter dan licht, dus hogere resolutie
- Glazen lenzen vervangen door elektromagneten
- Cel ultrastructuur= cel anatomie onder een e-microscoop (dus kijken naar celorganellen)
 Verschillen benoemen tussen eukaryotische en prokaryotische cellen
Prokaryoot Eukaryoot
Overeenkomst • Plasma membraan
• Cytosol
• Ribosomen
• Cytoplasma
• DNA
Verschil Plasmiden Kern
Organellen

 Opbouw van een dierlijke/plantaardige cel: Welke organellen en welke functie
 De Kern
- De inhoud: Bevat alle genetische informatie van de cel: DNA georganiseerd in de chromosomen
 Chromosomen: Chromatine = (DNA + eiwitten)
 Nucleolus (kernlichaam)
 (rRNA wordt hier gemaakt vanuit
DNA)

 Ribosomen: Betrokken bij eiwit synthese
- Opbouw:
 Combinatie eiwit en ribosomaal
RNA: rRNA
 Large subunit (28S rRNA)
 Small subunit (18S rRNA)
- Locatie
 Vrij: in cytosol
 Voorbeeld: bij eiwit synthese van enzymen die betrokken zijn bij suiker metabolisme.
 Gebonden: (ruw) ER en kernmembraan
 Voorbeeld: eiwitten die naar buiten worden getransporteerd, insertie in membranen,
eiwitten in de lysosomen.

Connected book

Neil A. Campbell, Lisa A. Urry Biology

Publisher: maart 2014 ISBN: 9781292008653 Edition: 10

Document information

Study: Bio-informatica
Summarized whole book?: No
Which chapters are summarized?: H7
Uploaded on: January 26, 2017
Number of pages: 7
Written in: 2016/2017
Type: Summary

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