(Science: botany) a change in the character of a cell wall, by which it becomes harder. It is supposed to be due to an incrustation of lignin. Origin: cf. F. Lignification. See lignify. The depositing of lignin in cell walls by plants that creates wood...
Part of the genetic information is devoted to the synthesis of proteins. mRNA, a type of RNA, is produced as a transcri..
Stems primarily provide plants structural support. This tutorial includes lectures on the external form of a woody twig ..
Apart from vitamins, the human body also requires high energy sources such as carbohydrates and fats. If you want an ove..
Hormones are essential in the regulation of the activity of the various biological systems of the human body. The ineffi..
New Zealand is known for its unique biodiversity, caused by its remarkable geography and geologic history. Breaking away..
Some of the body movements can be controlled at will, others cannot. The body has a motor program, which is the pattern ..
