Wind observations are measured in two ways .... wind speed and wind direction. Where possible measuring devices should be in a large open area away from possible interference such as building, trees etc.
Electron transport system. Definition. noun. A sequence of redox reactions wherein the transfer of electrons from an electron donor to an electron acceptor is coupled with the transport of protons across a membrane to generate a proton gradient that drives ATP synthesis.
active transport. A kind of transport wherein ions or molecules move against a concentration gradient, which meansmovement in the direction opposite that of diffusion-or-movement from an area of lower concentration to an area of higher concentration.