Caffeine
(Science: chemical) a xanthine derivative that elevates camp levels in cells by inhibiting phosphodiesterases.
A bitter alkaloid found in coffee and tea that is responsible for their stimulating effects.Caffeine is a diuretic that stimulates the central nervous system, and can be found in cocoa beans.
Caffeine (Science: chemical) a xanthine derivative that elevates camp levels in cells by inhibiting phosphodiesterases. A bitter alkaloid found in coffee and tea that is responsible for their stimulating effects.Caffeine is a diuretic that stimulates the central nervous system, and can be found in cocoa beans...
Lentic or still water communities can vary greatly in appearance -- from a small temporary puddle to a large lake. The s..
Part of the genetic information is devoted to the synthesis of proteins. mRNA, a type of RNA, is produced as a transcri..
Viruses possess both living and non-living characteristics. This unique feature distinguishes them from other organisms...
Freshwater ecosystem is comprised of four major constituents, namely elements and compounds, plants, consumers, and deco..
Upon fertilization, a zygote forms and develops into an embryo. This tutorial elaborates on the growth and development f..
Homeostasis is essential to maintain conditions within the tolerable limits. Otherwise, the body will fail to function p..
