B is the answer.
As reduction and oxidation (electron transfer), occurs simultaneously, protons (H+) are also transported across a membrane. The result is an electromagnetic proton gradient which in turn drives the synthesis of adenosine triphosphate (ATP), which is the molecule used for energy.
E. coli is a micro-organism while is mobile, and possess flagella for the same It has the ability to ferment both glucose and lactose. But it can not utilize citrate. It is a common food-borne pathogen, and can be present due to poor hygienic conditions, or water contaminations.
A snow crystal appears when water vapor in the air converts directly into ice without first becoming liquid water. ... The exact shape of the final snow crystal is determined by the precise path it took through the clouds. But the six arms all took the same path, and so each experienced the same changes at the same times.
