What is the standard free-energy change, ΔG°, under physiological conditions (E. coli grows in the human gut, at 37 °C) for the following reaction? (Keq = 7.8 × 10^2)

Glucose + ATP → glucose 6-phosphate + ADP

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#Question id: 43

#Section C (Domain-Specific Knowledge)

If 10 g of ice at 0°C is converted to water at the same temperature, the change in entropy will be- (latent heat 80 cal/g

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#Question id: 44

#Section C (Domain-Specific Knowledge)

The four covalent bonds in methane (CH4) are arranged around carbon to give which one of the following geometries?

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#Question id: 46

#Section C (Domain-Specific Knowledge)

The three-dimensional structure of a protein is determined primarily by:

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#Question id: 47

#Section C (Domain-Specific Knowledge)

If 30 J of energy is added to water in the form of heat at 27°C, what is the change in entropy of water?

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#Question id: 48

#Section C (Domain-Specific Knowledge)

Which of the following statements regarding enantiomers true?

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#Question id: 49

#Section C (Domain-Specific Knowledge)

The equilibrium constant, Keq, for the following reaction is 2 × 105 M: If the measured cellular concentrations are [ATP] = 5 mM, [ADP] = 0.5 mM, and [Pi] = 5 mM, on the basis of the above information calculate the Keq in living cells?