symport
(Science: cell biology, physiology) A mechanism of transport across a membrane in which two different molecules move in the same direction.
Often, one molecule can move up an electrochemical gradient because the movement of the other molecule is more favourable.
See: antiport, uniport, facilitated diffusion.
Freshwater ecosystem is comprised of four major constituents, namely elements and compounds, plants, consumers, and deco..
Lentic or still water communities can vary greatly in appearance -- from a small temporary puddle to a large lake. The s..
This tutorial looks at some of the communities in freshwater lentic habitats. For instance, symbiosis occurs in a commun..
Osmoregulation is the regulation of water concentrations in the bloodstream, effectively controlling the amount of water..
Adaptation, in biology and ecology, refers to the process or trait through which organisms or the populations in a habit..
Upon fertilization, a zygote forms and develops into an embryo. This tutorial elaborates on the growth and development f..