【简答题】The so-called Lyman series of lines in the emission spectrum of hydrogen corresponds to transitions from various excited states to the n = 1 orbit. Calculate the wavelength of the lowest-energy line i...
【单选题】The pH inside endosomes is about 5.0, and the pH in the cytosol is about 7.0. Calculate the amount of free energy needed to maintain this acidity difference at 37°C. Ignore the effects of the transmem...