Active Transport (AQA A-Level Biology): Flashcards
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Practise the cards
10 cards from this deck
Direction molecules move in active transport
Direction molecules move in active transport
Low to high concentration (against gradient)
Energy source for active transport
Energy source for active transport
ATP (adenosine triphosphate)
Proteins used in active transport
Proteins used in active transport
Carrier proteins
ATP breakdown products
ATP breakdown products
ADP + phosphate () + energy
ATP per direct active transport event
ATP per direct active transport event
One ATP molecule
Another name for co-transport
Another name for co-transport
Indirect active transport
Na-K pump: ions moved per cycle
Na-K pump: ions moved per cycle
3 out, 2 in
Active vs facilitated diffusion: energy need
Active vs facilitated diffusion: energy need
Active needs ATP; facilitated needs none
Why high-transport cells have many mitochondria
Why high-transport cells have many mitochondria
To supply ATP for active transport
Key difference: active vs passive transport
Key difference: active vs passive transport
Active works against concentration gradient