Hydroxyapatite
(Science: chemistry) The calcium phosphate mineral, Ca10(PO4)6(OH)2, found both in rocks of nonorganic origin and as a component of bone and dentine. Used as column packing for chromatography, particularly for separating double stranded dna from mixtures containing single stranded dna.
Part of the genetic information is devoted to the synthesis of proteins. mRNA, a type of RNA, is produced as a transcri..
The nervous system is essentially a biological information highway. This tutorial gives an overview of the nervous syste..
The blood sugar level is regulated by two hormones. The mechanism behind this type of negative feedback control is descr..
Multicellular organisms evolved. The first ones were likely in the form of sponges. Multicellularity led to the evolutio..
This lesson explores the impact of biosecurity threats, and why they need to be identified and managed. Examples to incl..
According to Charles Darwin's theory of natural selection, preferable genes are favored by nature in the gene pool, and ..