Cellular metabolism is the set of biochemical processes by which energy is either created or used in the cell, and energy resources in eukaryotic cells are regulated by two well-studied organelles ...

Dr. Fraser Armstrong described a new type of fuel cell that comprises enzymes called hydrogenases that can oxidize hydrogen through metabolism. Electrodes coated with the enzymes produce ...

Why do virtually all cells "breathe" by pumping protons (hydrogen ions ... so Mitchell's proton gradients enable cellular metabolism to transcend chemistry. The use of proton gradients gives ...