#Question id: 44
#Unit 1. Molecules and their Interaction Relevant to Biology
The four covalent bonds in methane (CH4) are arranged around carbon to give which one of the following geometries?
#Question id: 45
#Unit 1. Molecules and their Interaction Relevant to Biology
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
#Question id: 46
#Unit 1. Molecules and their Interaction Relevant to Biology
The three-dimensional structure of a protein is determined primarily by:
#Question id: 47
#Unit 1. Molecules and their Interaction Relevant to Biology
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?
#Question id: 48
#Unit 1. Molecules and their Interaction Relevant to Biology
Which of the following statements regarding enantiomers true?
#Question id: 49
#Unit 1. Molecules and their Interaction Relevant to Biology
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?