Submit. Â· just now. Report Abuse. proton-motive force= energy that is generated by the transfer of protons or electrons across an energy-transducing membrane and that can be used for chemical, osmotic, or mechanical work.
Theyre also stupid-easy to propagate. Take some stem cuttings and pop them in water. When you see long roots, pop them into a pot. The cuttings I've taken from these plants aren't true hoya babies because cuttings are actually a clone from the mother plant. That is, they are the same age as the mother, albeit smaller.
Â· just now. Report Abuse. The issue there is that when you put tulips in water they continue growing and then droop because of their own weight. So, when you have fresh cut tulips to display in a vase make sure you put as little water as possible, no more than 5cm high.