Practice question

Question

Assuming that there are 5 × 10 ¹³ cells in the human body, and that ATP is turning over at a rate of 10 ⁹ ATP molecules per minute in each cell, then the human body is utilizing ________ watts (rounded off to two decimal places). [Assume that hydrolysis of ATP yields 12 kcal per mole. 1 watt = 1 joule/sec, 1 calorie = 4.18 joules, Avogadro’s number = 6.023 × 10 ²³ ] (NAT)