Energy expenditure in small organisms

Fuel Specific reaction enthalpy (kJ/g) Specific turnover Respiratory quotient = (C02)/ (02) Energy equivalency (kJ/mol 02) 

Therefore, the net chemo-mechanical pump efficiency becomes 

Consider an amphipod with a body weight of 10 xg consuming 4.0 X 10-9 mol oxygen every hour at steady state and eliminating 3.6 X 10 9 mol carbon dioxide, 0.4 X 10-9 mol N (as ammonia), and 0.1 X 10-9 mol lactic acid. The external work power is 50 X 10-9 W. The heat loss of the animal may be calculated when the following four net reactions contribute to the energy expenditure  

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Example 11.4 Energy expenditure in small organisms A small organism has a heat loss of q = 1.52W and... 

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