Antivitamin
a substance that prevents a vitamin from exerting its typical biological effects. Most antivitamin’s have chemical structures similar to vitamins (e.g., pyridoxine and its antivitamin, deoxypyridoxine) and appear to function as competitive antagonists; some antivitamin’s produce effects, in addition, that are unrelated to vitamin antagonism.
This tutorial looks at some of the communities in freshwater lentic habitats. For instance, symbiosis occurs in a commun..
Learn how the way genes control and determine every aspect of the body. This lesson uses lac operon as an example. ..
..
Plants are responsible for incredible feats of molecular transformation. Plant processes, such as photosynthesis, photop..
With regard to the population size of a species and what factors may affect them, two factors have been defined. They ar..
Muscle cells are specialized to generate force and movement. Learn about the different types of muscle tissues in this t..
The arthropods were assumed to be the first taxon of species to possess jointed limbs and exoskeleton, exhibit more adva..