Biology / Unit 3 Bio 0487 short lesson, about 20 seconds
ATP versus Glucose: Currency and Storage
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The idea
Glucose stores energy long-term in its bonds; ATP is the unstable, short-term currency cells spend to do immediate work.
In practice
A family keeps most of its money in savings but moves some into checking, the form it can actually spend.
Where people slip
Cells do not spend glucose directly — every use of stored energy passes through ATP first.
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