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Entamoeba Histolytica
Losch (1875), for the first time, described the disease symptoms of infection of Entamoeba histolytica. However, it was only in 1903 that Schaudin gave the description of the trophozoite and cyst stages. Schaudin was experimenting on himself. Owing to acute infection of E. histolytica that he acquired during self-experimenting, he died at the young stage of 35.
Figure: Entamoeba histolytica and cyst stage (after Kudo)
Does thermal inversion occur in the winter or in the summer? Pollutant low altitude thermal inversion happens in the winter. In this period of the year the sun heats the soil l
Johne’s disease The disease, discovered by Heinrich A. Johne, a German bacteriologist and veterinarian, in 1905, is caused by a bacterium named Mycobacterium avium subspecies p
Define Factors Which May Lead To Errors in Count? There are many factors, which may lead to errors in count. (i) Counts may be low if the agar medium used in the technique d
Q. Why are most ammoniotelic beings aquatic animals? Aquatic animals like crustaceans, amphibian larvae and bony fishes generally are ammoniotelic since ammonia diffuses more e
How are water, mineral salts and food (sugar) transported throughout the plant? Water, mineral salts and sugar are transported throughout the plant through conductive vessels f
WHAT ARE THE ADVANTAGES & THE DISADVANTAGES OF PROTOZOA?
SULPHUR The major sources of sulphur are crucifers and animal proteins. Proteins present in pulses have little sulphur. Therefore, other vegetable proteins or crucifers must
Q. What is the difference between respiration by cutaneous respiration and diffusion? Does blood participate in cutaneous respiration? Cutaneous respiration is not as simple as
Freshwater Animals In Figure you have seen that the body fluids of freshwater animals are hyperosmotic to their aqueous surroundings. This results in two-kinds of osmotic prob
COMMON EQUINE DISEASES - 1 . INFLUENZA OR PINK EYE - Pink eyes. Swallon eye lids. 2. STRANGLES - Fever, dullness, depression, nasal discharge, lumpy a
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