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Q. Explain causes of Shigellosis?
Shigellosis is caused by the genus Shigella and is a common enteric (intestinal) infection. The genus has four serological groups, of which S. sonnei (Subgroup D) and S. flexneri (sub-group B) are the important ones. The Shimellae are non-motile, aerobic and facultative anaerobic, non-sporulating gram-negative rods in the family Enterobacteriaceae. The optimum temperature for the growth is 37°C with a temperature range of 10 to 40°C. They can withstand salt concentrations of up to 6% and are heat-sensitive. They utilize glucose and other carbohydrates and are inhibited by potassium cyanide.
CHITIN It is polymer of N-acetyl-D-glucosamine. It is a structural homopolysaccharide found in the fungal walls as fungus cellulose and as chitin in the exoskeleton of
Define the Features of Phylum Nematoda? Phylum characteristics of Nematoda which are the world's most abundant multicellular organisms are as follows: 1. Nematodes occur in
Q. Preservation of species diversity? Genetic diversity is, thus, important for the preservation of species diversity, and hence biological diversity. A knowledge of the variab
Management Goals Improve oxygenations and ventilation to restore the person/s Pa 2 O 2 and PaCO 2 , to their previous levels. Understand the underlying cause.
Electro magnetic radiation Light is one form of energy. The light rays consist of tiny particles called photons. The energy carried by photon is called quantum. Light
Four Distinct Phases of Demographic Transition Demographic transition takes place in four distinct phases. 1. Re-industrial stage in which harsh living conditions lead to
This problem refers to the MN and ABO loci mentioned in class. It also refers to the Rh locus, which is responsible for the positive/negative part of the blood type. The Rh+ allele
Synthesis and Storage of Hormone The synthesis and storage of hormone depends on the nature of the hormone. Steroid hormones are secreted in diffuse molecular form and usually
Circulatio n I n Animal Circulation is served by a fluid as blood/ lymph that circulates through the body in a regular manner, receiving & distributing materials in the wa
What is a phenotype? A phenotype is each observable characteristic of a living being conditioned by its genes. Some phenotypes may be changed by nongenetic factors (for instanc
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