transcriptional silencing
(Science: molecular biology) mechanism of transcriptional control where dNA is bundled into heterochromatin in order to make it permanently inaccessible for future transcription.
Effectively, this allows for memory in the determination of cell fate in developing organisms. In drosophila, homeotic genes are silenced by members of the polycomb group of genes.
Lotic communities have conditions that are rather harsh for typical plants. Thus, the diversity of plant species in loti..
This tutorial describes the sigmoid curve, annual plant growth, tree growth, human growth, and insect growth as the grow..
This tutorial deals with the abiotic factors of the freshwater environment that determine what sort of life would be sui..
Plantlife can be studied at a variety of levels, from the molecular, genetic and biochemical level through organelles, c..
Hormones are produced in the endocrine glands of animals. The pituitary gland and hypothalamus are the most impor..
Explore why New Zealand has such unique flora and fauna, and learn why long periods of geographical isolation. This less..