Cysteine
(Science: amino acid) The only amino acid to contain a thiol (SH) group. In intracellular enzymes the unique reactivity of this group is frequently exploited at the catalytic site. In extracellular proteins found only as – cystine in disulphide bridges or fatty acylated.
Homeostasis is the relatively stable conditions of the internal environment that result from compensatory regulatory res..
The arthropods were assumed to be the first taxon of species to possess jointed limbs and exoskeleton, exhibit more adva..
Part of the genetic information is devoted to the synthesis of proteins. mRNA, a type of RNA, is produced as a transcri..
Plants are responsible for incredible feats of molecular transformation. Plant processes, such as photosynthesis, photop..
Hormones are produced in the endocrine glands of animals. The pituitary gland and hypothalamus are the most impor..
Adaptation, in biology and ecology, refers to the process or trait through which organisms or the populations in a habit..