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Q. Explain Clostriduim botulinum?
Clostriduim botulinum is widely distributed in soil and marine sediments throughout the. world. It is also found in the intestinal tract of animals, including fish. Most of the outbreaks of botulism have been associated with the products ofJish or marine ' animals, meat, fiuits and vegetables, including mushrooms. Insufficiently heated canned and bottled foods are at a high risk as these provide the anaerobic (without air) environment required by the organism to grow. The types of foods which have acted as vehicles of infection differ from country to country. Generally, the toxins A and B have been implicated in improperly home canned foods. The type E outbreaks have occurred by the ingestion of fermented or smoked marine products, fruits and vegetables-including mushrooms. Home cured ham and other meat products have been implicated in the outbreaks reported from Western Europe. The ,organism can be isolated occasionally from many foods because of its widespread occurrence in the environment. However, it is interesting to note that because of their non-proteolytic characteristics; their growth in foods cannot be detected by off-odours and off- flavours.
STIMULENT S - It makes a person more wakeful, alert and active. (i) Caffeine ( C 8 H 10 N 4 O 2 ) - It is 1,3,7-trimethylxanthine obtained from tea leaves ( Thea si
Define Ion exchange chromatography? In this method a reversible exchange of ions is effected. Usually resins and ionic solutes are the two components involved in ion-exchange.
An egg osmometer Place some dilute hydrochloric acid or strong vinegar in a shallow dish, likeas a saucer, to a depth of about one centimetre. Hold the large end an egg in the
CAUSES OF EXTINCTION - 1 . HUNTING - Man started hunting wild animlas for food and safety trade and fun. It may be subsistence hunting, commercial hunting and sp
DIANCEPHALO N - Less visible. Occupies only 1% of brain's volume. Its lumen is diocoel or III ventricle. Roof is epithalamus . On it pineal body is present. Fl
Establishment of Tissue Cultures By now you are familiar with the term "Explants". After a few days in culture the explant becomes slightly rough in texture and its surface g
why does an organism internal environment change
Define Hormonal Responses to Injury? A number of hormonal changes take place in patients following injury. There is a marked rise in the counter regulatory hormones, viz., glu
Define nutrient requirements during the periods of pregnancy? In the previous unit, we learnt about the basic principles of meal planning and the various considerations and gui
#what is LH#
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