Active transport (OCR GCSE Biology A, Combined (Gateway Science Suite)): Flashcards
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Practise the cards
12 cards from this deck
Direction of particle movement in active transport
Direction of particle movement in active transport
From lower to higher concentration
What active transport works against
What active transport works against
Concentration gradient
Does active transport require energy?
Does active transport require energy?
Yes, it requires energy
What provides energy for active transport?
What provides energy for active transport?
ATP (adenosine triphosphate)
What root hair cells absorb via active transport
What root hair cells absorb via active transport
Mineral ions
Why root hair cells need active transport for minerals
Why root hair cells need active transport for minerals
Mineral concentration higher inside cells than in soil
What the gut absorbs using active transport
What the gut absorbs using active transport
Glucose and amino acids
When the gut needs active transport
When the gut needs active transport
When nutrient concentration lower in gut than in blood
Benefit of active transport for nutrient absorption
Benefit of active transport for nutrient absorption
Absorbs nutrients even when lower outside the cell
What active transport helps maintain
What active transport helps maintain
Concentration gradients across cell membranes
Processes needing maintained concentration gradients
Processes needing maintained concentration gradients
Nerve impulse transmission and muscle contraction
Is active transport a passive process?
Is active transport a passive process?
No, it requires energy