Jacob-Monod Hypothesis and the Genetics of Enzyme Synthesis in E.coli
During the late 1950s François Jacob and Jacques Monod of the Pasteur institute in Paris carried out a series of brilliant researches on the genetic…
Biology
Adaptations of Freshwater Crayfish to Life in Flowing Rivers
We shall not consider the general adaptation for aquatic life found in the Crustacea generally, but only those features of the fresh water crayfish which…
14 Important Terms Associated with the Phylum Nematoda (Nematodes)
There are very important terms associated with the study of the phylum nematoda that biologists and zoologists make reference to in teaching and in research….
Pathogenicity and Morphology of Paragonimus Westermani
Geographical Distribution Paragonimus Westermani is extensively distributed in…
Morphology and History of Schistosoma Japonicum
Geographical distribution of Schistosoma Japonicum: These parasite is found in Japan, China, Thailand, Vietnam and The Philippine Islands Habitat of Schistosoma Japonicum: (a) The adult…
Detailed Description of the Nematodes
The phylum Nematoda(Nematodes), or true roundworms, includes a great number of species, some of which are free-living and others parasitic. The body is elongated, cylindrical,…
Morphology and Life History of Schistosoma Mansoni
Schistosoma mansoni is geographical located in Africa, especially Egypt and the wet tropical regions, the West Indies, and the eastern coast of tropical South America….
Morphology and Life History of Schistosoma Haematobium
Schistosoma haematobium is geographical distributed in various parts of Africa and in Madagascar, Mauritius and India. Below are some important aspects of the life of…
How the Teeth of Mammals are Configured
In most mammals, the teeth are of different kinds, a condition described as heterodont in contrast with the homodont teeth of reptiles and amphibians. There…
Concise Description of the Functions of the Mammalian Skin
The skin provides protection from various hazards; it is an excretory organ; it subserves temperature regulation and sensitivity. Physical protection from damage is provided by…