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Summary Die plantsel en diersel lewenswetenskappe graad 10 opsomming $3.92   Add to cart

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Summary Die plantsel en diersel lewenswetenskappe graad 10 opsomming

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Volledige opsomming van die plantsel en diersel vir graad 10 lewenswetenskappe.

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  • July 11, 2023
  • 3
  • 2022/2023
  • Summary
  • 200
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• Verbind naasliggende selle aanmekaar. • Slegs by plantselle
• Nodig vir kommunikasie tussen selle. • Nie lewendig
• Drade sitoplasma wat deur die pitte & porieë loop • Bied ondersteuning
• Bestaan uit sellulose
o Primêre selwand – deurtrek met pektien
o Sekondêre selwand – deurtrek met lignien
(houtstof)
o Middelamella – tussen twee wande en bestaan
uit pektien




• Funksies: • Omsluit selinhoud
o Beheer sel differensiasie + spesialisasie • Lewendig
o Beheer sel metabolisme • Differensieel deurlaatbaar
o Beheer voortplanting van selle • Funksies:
o Oordrag van erflikheidseienskappe o Beheer wat in en uit die sel beweeg.
o Vorm deel van sel se immuunstelsel
• Bestaan uit:
o Fosfolipiede Hidrofilise fosfaatkop

• Net in plantselle Hidrofobiese lipiedstert
• Bevat chlorofil (groen pigment)
o Proteïene vir vervoer van stowwe
• Funksies:
deur selmembraan
o Verantwoordelik vir fotosintese
o Koolhidrate vir selerkenning
• Kragsentrale van sel
• Besit eie DNA
• Funksies:
o Verantwoordelik vir selrespirasie • Het ‘n membraan (tonoplast).
• Binne in is vloeistof (selsap).
• Funksies:
o Bevorder osmose
o Berg opgelosde stowwe
o Hou sel stewig d.m.v.
turgordruk (druk wat selinhoud
op selwand uitoefen).

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