Question

Why is ATP known as the universal energy currency?

Answer 1

All activities inside a living cell need energy which is available in the form of ATP as the immediate source. Hence this chemical compound ATP is described as the "energy currency of the cell".

Answer 2

$\rightarrow\huge\text{Answer}$

ATP can pick up energy where it is being liberated and supply the same where it is being consumed.Hence, ATP is called energy of the cell.