Continental Drift, Pangaea and Plate Tectonics
The shape of the modern world is strikingly similar when you look at individual continent especially Africa, Latin America, Asia and Australia and perceive them…
Science
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…
Digestion and Enzymatic Actions of Gastric juice and Pepsin in the Stomach
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…
Significance of the Laws of Thermodynamics in Metabolic Reactions
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…
Enzyme Inhibitors and Their Mode of Action
Certain substances inhibit the action of enzymes, thereby slowing down or completely stopping its controlled reactions on substrates. This is an amazing discovery as it…
The Mechanism of Translocation and Active Transport
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…
Morphological and Physiological Description of Mycoplasmatales (PPLO)
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…
Nepenthes and Sarracenia — The Pitcher-Plants
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…
Insectivorous Plants : Pinguicula ( The Butterwort) and Dionaea (The Venus Fly-Trap)
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…
Insectivorous Plants— Utricularia (Bladderwort)
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…