Updated: Question in GATE 2012 Biotechnology (BT) Question Paper

A question in GATE 2012 Bio Technology Paper with Solution has been updated:

The free energy change for the transport of two into the cell is

1. +8.0 kJ / mol
2. +31.2 kJ / mol
3. +11.6 kJ / mol
4. +19.6 kJ / mol