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Summary

Summary Eenheid 2 Selle Die basiese eenhede van lewe

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Written in
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Opsomming in maklike verstaanbare taal. Opgestel uit verskeie handboeke insluiting Verken Lewenswetenskappe, Via Afrika Lewenswetenskappe, Die Antwoordreeks en Ace it. Ideaal vir hersiening en eksamenvoorbereiding.

Institution
10
Course
Life Sciences

Content preview

Selle: Strukture en Funksies
▪ ‘n Sel = Kleinste eenheid van lewe
▪ SLEGS PLANTSELLE HET SELWANDE
▪ Sel sonder selkern = Prokariotiese sel
▪ Sel met selkern = Eukariotiese sel
▪ Differensiasie: Selle lyk nie dieselfde nie (grootte, vorm, struktuur)
▪ Selle is gespesialiseerd vir ‘n bepaalde funksie = Spesialisasie



Diffusie

Onwillekeurige beweging van molekules vanaf hoe konsentrasie na lae konsentrasie
tot ewewig bereik is (dinamiese ewewig)


Bv. longe (gaswisselling)



Osmose

Beweging van watermolekules van hoe waterpotensiaal na gebied met lae
waterpotensiaal deur ‘n selektief deurlatende membraan totdat ewewig bereik is.



Aktiewe Vervoer

- Van lae na hoe konsentrasie
- Benodig energie



Verskille tussen Plant en Dierselle
Plantselle Dierselle
Selwand Geen selwand
Plastiede Geen Plastiede
Groot vakuole Geen of klein vakuole
Lisosome Geen lisosome
Geen sentrosome Sentrosome
Vaste vorm Onreelmatige vorm
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Connected book

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M. Bowie Via Afrika Lewenswetenskappe
  • 2011
  • 9781415423516
  • Unknown

Written for

Institution
10
Course
Life Sciences
Schooljaar
200
All documents for this subject (82)

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Summarized whole book?
No
Which chapters are summarized?
Onderwerp 2
Uploaded on
March 23, 2021
Number of pages
2
Written in
2019/2020
Type
SUMMARY

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