Active transport (AQA GCSE Biology): Flashcards
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Practise the cards
13 cards from this deck
What is active transport?
What is active transport?
Moves substances across membranes using energy
Active transport direction
Active transport direction
Dilute to concentrated solution
Energy source for active transport
Energy source for active transport
Respiration
Gradient in active transport
Gradient in active transport
Against concentration gradient (uphill)
Proteins used in active transport
Proteins used in active transport
Transport proteins in cell membrane
How transport proteins move substances
How transport proteins move substances
Change shape using energy
Active transport example in gut?
Active transport example in gut?
Glucose absorption
Why gut needs active transport for glucose
Why gut needs active transport for glucose
Can absorb when more glucose in blood than gut
Active transport example in plant roots?
Active transport example in plant roots?
Mineral ion uptake from soil
Why plants need nitrate ions
Why plants need nitrate ions
To make proteins
Mineral ion levels: soil vs roots
Mineral ion levels: soil vs roots
Lower in soil, higher in roots
Does diffusion need energy?
Does diffusion need energy?
No energy needed
Which process moves substances low to high concentration?
Which process moves substances low to high concentration?
Active transport