servomechanism 1. A control system using negative feedback to operate another system. 2. A process that behaves as a self-regulatory device; e.g., the reaction of the pupil to light. Origin: L. Servus, servant, – G. Mechane, contrivance..
Part of the genetic information is devoted to the synthesis of proteins. mRNA, a type of RNA, is produced as a transcri..
According to Charles Darwin's theory of natural selection, preferable genes are favored by nature in the gene pool, and ..
Humans are diploid creatures. This means that for every chromosome in the body, there is another one to match it. Howeve..
Nutrients in the soil are essential to the proper growth of a land plant. This tutorial deals with the properties of soi..
Hormones are essential in the regulation of the activity of the various biological systems of the human body. The ineffi..
Stems primarily provide plants structural support. This tutorial includes lectures on the external form of a woody twig ..
