In 2007, Whole Foods market installed a 200-kilowatt phosphoric acidcell in a supermarket in Connecticut, where subsidies fund 25 to 40 percent of the cost of a fuel-cell system.
The effect occurs because of a molecule called staphylococcal lipoteichoic acid that acts on keratinocytes, the primary cell type found in the epidermis – or outer skin layer.
由于葡萄球菌脂磷壁酸分子（在表皮中或外皮层找到的主要细胞类型）作用在角化细胞上产生了这个结果。
3
Each codon either codes for an amino acid or tells the cell to stop making a protein chain.