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.
Rating Newest Oldest. Best Answer: It depends on what kind of food you are talking about. A watermelon, for example, is something like 95% water. Lettuce is high in water content too. The water content drops a bit for veggies like carrots and beets, although potatoes are high in water content. Meat still has around 85% water.