Active transport (OCR GCSE Biology A (Gateway Science Suite)): Flashcards
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Practise the cards
12 cards from this deck
Active transport moves particles from ___ to ___ concentration
Active transport moves particles from ___ to ___ concentration
Lower to higher concentration
Active transport direction re: concentration gradient
Active transport direction re: concentration gradient
Against the concentration gradient
Energy requirement for active transport
Energy requirement for active transport
Requires energy
Source of energy for active transport
Source of energy for active transport
ATP (from respiration)
What does ATP stand for?
What does ATP stand for?
Adenosine triphosphate
What root hair cells absorb from soil
What root hair cells absorb from soil
Water and essential mineral ions
Mineral ion concentration: root hair cells vs soil
Mineral ion concentration: root hair cells vs soil
Higher inside root hair cells
Nutrients absorbed by gut via active transport
Nutrients absorbed by gut via active transport
Glucose and amino acids
Nutrient concentration in gut vs blood (sometimes)
Nutrient concentration in gut vs blood (sometimes)
Lower in gut than in blood
Active transport benefit for nutrient absorption
Active transport benefit for nutrient absorption
Absorbs nutrients even at lower outside concentrations
Role of active transport in concentration gradients
Role of active transport in concentration gradients
Maintains essential concentration gradients
Processes needing concentration gradients
Processes needing concentration gradients
Nerve impulse transmission and muscle contraction