A certain reaction has AH = -25 kJ/mol and AS = -50 J/mol·K. At what temperature range is the process spontaneous? Assume that AH and AS are constant regardless of temperature. OT< 700 K OT> 500 K OT< 400 K

DNA has four nitrogen bases. Suppose one side of DNA is made up of the following nitrogen bases: A-C-G-C-T-T. What would the order of the nitrogen bases be on the other side of the DNA?Single choice. 1. A-C-G-C-T-T 2. T-G-C-G-A-A 3. G-T-A-T-T-C

Chemistry 3.Calculate the amount of free energy required (or released) to allow electron transport in the ETC to be spontaneous from NADH to ubiquinone under standard conditions based on two electrons moving through the system.  This occurs at 25°C.   ½ O2 + 2e + 2H+ ® H2O                            E°´ = 0.815 V NAD+ + 2e +H+ ® NADH                           E°´ = -0.315 V NADP+ + H+ + 2e ® NADPH                     E°´ = -0.320 V FAD + 2e +2H+ ® FADH2                          E°´ = -0.219 V Ubiquinone + 2H + 2e ® Ubiquinol      E°´ =  0.045 V

Q2 CH,OH CH,OPO,2- H H OH H OH 0-PO,2- но но OH H. OH OH Glucose-1-phosphate Glucose-6-phosphate Calculate the standard free-energy change (AG°) fo the reaction catalyzed by the enzyme phosphoglucomutase. When at standard temperature (25 °C) and pressure, the equilibrium of each molecule is 1 mM glucose 1-phosphate and 19 mM glucose 6-phosphate. HINT: at 25 °C, RT = 2.479 kJ/mol