Definition
noun, plural: facultative genes
(1) A gene transcribed only when needed or when a cell receives a signal from its surroundings.
(2) A gene whose expression is influenced by environmental factors.
Supplement
Unlike constitutive gene, a facultative gene is not transcribed continually but only when needed.
Compare: constitutive gene.
See also: gene expression.
Definition noun, plural: facultative genes (1) A gene transcribed only when needed or when a cell receives a signal from its surroundings. (2) A gene whose expression is influenced by environmental factors. Supplement Unlike constitutive gene, a facultative gene is not transcribed continually but only when needed. Compare: constitutive gene. See also: gene expression...
Plants protect themselves by releasing hydrogen peroxide to fight against fungal invasion. Another way is by secreting c..
Osmoregulation is the regulation of water concentrations in the bloodstream, effectively controlling the amount of water..
A sensory system is a part of the nervous system consisting of sensory receptors that receive stimuli from the internal ..
This tutorial presents Gregor Mendel's law of dominance. Learn more about this form of inheritance and how it can be pre..
Animals living in aquatic habitats have diversified and evolved through time. They eventually occupy ecological niches a..
A typical eukaryotic cell is comprised of cytoplasm with different organelles, such as nucleus, endoplasmic reticulum, G..
