Summary
samenvatting biologie hoofdstuk 1 planten
- Course
- Level
goede samenvatting! redelijk lang maar goed uitgelegd paar keer doorgelezen altijd en haalde gemiddeld altijd een 7 of 8
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Content preview
Biologie PlantenBladeren
Bladeren en stengels bevatten
bladgroenkorrels.
Bladgroenkorrels maken glucose
(belangrijke voedingsstof).
❗ Fotosynthese ❗
Water + co2 + (zon)licht → glucose + zuurstof
Koolstofdioxide wordt opgenomen uit de
lucht door huidmondjes.
Water wordt opgenomen door de wortels
Vaatbundels vervoeren o.a. water &
opgeloste stoffen van de wortels naar de
bladeren.
Vaatbundels vertakken in bladeren naar
Nerven. Zo wordt het water overal vervoerd
Fotosynthese vindt alleen plaats bij een
juiste temperatuur.
Als de stevigheid van sluitcellen afnemen
veranderen de sluitcellen van vorm dat de
opening smaller wordt, als het toeneemt
wordt de opening breder.
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