17 results found

Search Results for: lac

Lac

Lac a resinous substance produced mainly on the banyan tree, but to some extent on other trees, by the coccus lacca, a... Read More

Lactose

Definition noun plural: lactoses lac·tose, ˈlæk.toʊs A disaccharide (chemical formula: C12H22O11) made up of one... Read More

Lac operon

Lac operon --> lactose operon group of adjacent and coordinately controlled genes concerned with the metabolism of... Read More

Gene Action – Operon Hypothesis

Reviewed by: Mary Anne Clark, Ph.D. Some genes are switched on or off depending on environmental conditions. The... Read More

Galactose

Definition noun plural: galactoses ga·lac·tose, ɡəˈlæktəʊz An aldohexose monosaccharide (chemical formula:... Read More

Shellac

shellac A resinous excretion of an insect, Laccifer (Tachardia) lacca (family Coccidae). The insects suck the juice of... Read More

Repressor protein

Definition noun, plural: repressor proteins A protein in which its binding to the operator inhibits the transcription of one... Read More

Regulatory gene

Definition noun, plural: regulatory genes A gene that is involved in the production of a substance that controls or... Read More

Gum

Gum The dense tissues which invest the teeth, and cover the adjacent parts of the jaws. (Science: medicine) gum rash,... Read More

Constitutive mutant

Definition noun A mutant organism that continuously produces a protein (and therefore may be produced in excess) due to a... Read More

Operon

Definition noun, plural: operons A group of genes or a segment of DNA that functions as a single transcription unit. It is... Read More

Lettuce

Lettuce (Science: botany) a composite plant of the genus Lactuca (L. Sativa), the leaves of which are used as salad. Plants... Read More

Seed

Definition noun, plural: seeds (botany) An encapsulated plant embryo; a fertilized ovule of a plant Supplement A seed is a... Read More

Operon Model

Definition noun A model conceptualized by François Jacob and Jacques Monod depicting the coordinate expression of a group... Read More

Cyclic adenosine monophosphate

Definition noun plural: cyclic adenosine monophosphates (biochemistry) A cyclic form of adenosine monophosphate that... Read More

Glycosidase

Definition noun, plural: glycosidases (biochemistry) An enzyme catalyzing the hydrolysis of a... Read More

Litmus

Litmus (Science: chemistry) a dyestuff extracted from certain lichens (Roccella tinctoria, Lecanora tartarea, etc), as a... Read More