Question

Atp production in the flight muscle of the fly lucilia sericata results almost exclusively from oxidative phosphorylation. during flight, 187 ml of o2/hr·g of body weight is needed to maintain an atp concentration of 7.0 μmol/g of flight muscle. calculate the rate at which the atp pool turns over. the o2 is at 25 °c and 1.00 atm.

Answer 1

Use the equation PV=nRT
- P is pressure in atm
- V is volume of gas in L
- R = 0.08206 L . atm/ mol . K
- T is temperature in K
Your equation should look like this:
(1atm)(0.187L) = n (0.08206)(298K)
n=0.00765 mol O2 used per hour
Then, you have to convert from mol/hr to umol/s. Divide by 3600 (one hour is equal to 3600 seconds) and multiply by 1x10^6.
Your answer should be 2.12 umol/s.