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Summary Graad 10 Die Chemie van Lewe opsomming

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Opsomming gemaak uit verskeie dokumente insluiting Verken Lewenswetenskappe handboek, Via Afrika Lewenswetenskappe en Die Antwoord Reeks Lewenswetenskappe. Die opsommings is in maklike verstaanbare taal om die basiese beginsels so eenvoudig as moontlike te probeer verduidelik.

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Institution
10
Course
Life Sciences

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1. Die Chemie van lewe


CHEMIE – Elemente betrokke by selle
1.1 Die sewe basiese eienskappe van lewe
1. Voeding
2. Reaksie op prikkels
3. Groei
4. Voortplanting
5. Respirasie
6. Ekskresie
7. Beweging




Sel: Kleinste eenheid van lewe
Weefsel: Groep eenderse selle met gemeenskaplike funksie
Orgaan: Groep verskillende weefsels, met hul eie funksie, wat saam ‘n gemeenskaplike
funksie verrig



Chemiese Bindings
Atome Molekules


Atome van 2+ elemente = Vebinding


Alle materie (lewend en nie-lewend) = organiese + anorganiese stowwe

, 1.2 Molekules van Lewe
Organies
Anorganies
1. Koolhidrate
1. Water
2. Lipiede 2.
Mineraalsoute
3. Proteine
4. Ensieme
5. Nukleiensure
6. Vitamiene
7. Hormone


CHO



1.2.1 Anorganiese Verbindings
Definisie: Anorganiese verbindings is chemiese verbindings wat nie die element
koolstof (C) besit nie en nie deur lewende organisms vervaardig word nie.
- Natuurlike Prosesse
- Metabolisme
- Water, Gasse, Minerale Soute


1. Water
Funksies van water: oplosmiddel, chemiese reaksies, hidrolise,
vervoermiddel, smeermiddel, temperatuur, vorm en stewigheid


2. Mineraalelemente (Stowwe wat deur lewende organismes benodig word)
makro (baie nodig) Na, K, Ca, P
mikro (min nodig) Fe, I

3. Besmetingstowwe
- Kunsmis voorsien voedingstowwe aan plante
- Voedingstowwe in kunsmis:
* Stikstof (Nitrate)
* Fosfor (Fosfate)
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Connected book

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

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Institution
10
Course
Life Sciences
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200
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Number of pages
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Written in
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