(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...
This tutorial presents the benefits and the possible adverse eventualities of genetic engineering. Know more about this ..
This tutorial looks at the mutation at the gene level and the harm it may bring. Learn about single nucleotide polymorph..
Plants protect themselves by releasing hydrogen peroxide to fight against fungal invasion. Another way is by secreting c..
Geological periods is a study guide that cites the different geological periods on Earth's timeline. Each has a brief ov..
This tutorial describes the role of gibberellin family in plants. Find out the effects of gibberellin on plant growth an..
DNA is a double helix structure comprised of nucleotides. A nucleotide, in turn, is made up of phosphate molecule, deoxy..
