A process that requires no energy input is passive. One passive process used by materials crossing a cell membrane is diffusion. Examples: oxygen diffuses through the phos â¦ pholipid bilayer into a cell that is respiring aerobically.carbon dioxide diffuses out of cells through the phospholipid bilayer. Facilitated diffusion (diffusion through transport proteins: channel and carrier proteins) is a form of diffusion, and so it is also passive.
All fluorescent lamps and tubes must be recycled, or taken to a household hazardous waste disposal facility, a universal waste handler (e.g., storage facility or broker), or an authorized recycling facility. See a list of all wastes banned from the trash.
The flash tube is a cold-cathode device filled with xenon gas, used to produce an intense short pulse of light for photography or to act as a stroboscope to examine the motion of moving parts. Lamps. Cold-cathode lamps include cold-cathode fluorescent lamps (CCFLs) and neon lamps. Neon lamps primarily rely on excitation of gas molecules to emit light; CCFLs use a discharge in mercury vapor to develop ultraviolet light, which in turn causes a fluorescent coating on the inside of the lamp to emit visible light.