Synapse, Acetylcholine and the Action of Drugs and Poisons
A synapse is a precise point where one nerve cell connects with another. A typical motor nerve cell in the spinal cord of a vertebrate…
A synapse is a precise point where one nerve cell connects with another. A typical motor nerve cell in the spinal cord of a vertebrate…
When food gets down to the stomach as a result of the peristaltic action of the oesophagus, it is acted upon by gastric juice which…
Energy conversions whether it is in a physical, chemical or biological system are all dependent on the Laws of Thermodynamics. These laws can, in a…
Active Transport: Scientists agree that the soluble products of photosynthesis which are formed in the photosynthetic tissue enter the sieve tube by a process known…
Mycoplasmatales sometimes called PPLO( pleura-pneumonia-like organisms) are the smallest known organisms and are all parasitic. They resemble the microbes causing bovine pleuropneumonia. Many types have been…
The ‘pitchers’ are formed from modified leaves. In the Nepenthes species, only the terminal portion of the leaf is modified. From a lowermost blade the…
How the Pinguicula Species Engulfs and Digests its Prey: The pinguicula is another genus of the Lentibulariaceae with three British species, Pinguicula vulgaris, Pinguicula lusitanica…
How the Utricularia Species Engulfs and Digests its Prey: Utricularia intermedia and Utricularia minor . All of these species are rootless aquatics. Certain segments of the…
Phosphorescent flagellate: There are several examples of symbiotic associations among plant and animal species. In certain groups, it is a very common phenomenon. Many protozoa…
Google announcement of the launch of drone delivery services has sparked off excitement in the e-commerce world especially among online shoppers who are constantly in…