Transport in Plants (OCR A-Level Biology A): Flashcards
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Practise the cards
10 cards from this deck
Water potential movement direction
Water potential movement direction
High to low water potential
Highest water potential location in plant
Highest water potential location in plant
Roots
Root hair cells function
Root hair cells function
Increase surface area for water absorption
Apoplastic pathway route
Apoplastic pathway route
Through cell walls & spaces between cells
Symplastic pathway route
Symplastic pathway route
Through cytoplasm via plasmodesmata
Plasmodesmata definition
Plasmodesmata definition
Channels connecting cytoplasm of adjacent cells
Casparian strip composition
Casparian strip composition
Suberin (waxy, waterproof substance)
Casparian strip function
Casparian strip function
Blocks apoplastic pathway at endodermis
Cohesion in water
Cohesion in water
Water molecules stick together via hydrogen bonds
Cohesion-tension theory basis
Cohesion-tension theory basis
Transpiration pulls water up via cohesion between molecules