Roles of ATP (AQA A-Level Biology): Flashcards
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ATP's role in energy supply
ATP's role in energy supply
Immediate energy source for cellular processes
Why ATP unsuitable for long-term energy storage
Why ATP unsuitable for long-term energy storage
Unstable phosphate bonds prevent long-term storage
Molecules for long-term energy storage
Molecules for long-term energy storage
Fats and carbohydrates like glycogen
How ATP is regenerated
How ATP is regenerated
From ADP and inorganic phosphate (Pi) via respiration
ATP advantage over glucose: energy release
ATP advantage over glucose: energy release
Smaller, controlled amounts prevent heat loss
ATP advantage over glucose: reaction steps
ATP advantage over glucose: reaction steps
Single-step hydrolysis vs multi-step glucose breakdown
Five main roles of ATP in cells
Five main roles of ATP in cells
Metabolic, movement, active transport, secretion, activation
ATP's role in muscle contraction
ATP's role in muscle contraction
Powers actin and myosin filaments to slide past each other
ATP's role in active transport
ATP's role in active transport
Powers carrier proteins to transport against gradients
What phosphorylation does to molecules
What phosphorylation does to molecules
Makes them more reactive and lowers activation energy