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Q. What are few mechanisms by which pathogenic bacteria cause diseases? And why is this knowledge important?
Pathogenic bacteria have characteristics called as virulence factors that help them to parasite their host. Some bacteria have cilium, fimbriae-like structures that attach the bacterial cell to the host tissue. There are bacteria specialized in intracellular parasitism, other bacteria secrete toxins, molecules that cause disease in some cases the bacterial population growth causes food contamination by toxins. In general, bacterial disease is caused by bacterial population growth with invasion and by bacterial toxins or destruction of tissues that contaminate the organism.
Trophic structure Organisms in a community are closely interrelated with each other through feeding relationships. Another aspect which is quite obvious in a community is th
Tingling or numbness is seen in cases of neuropathy. It occurs gradually over time. As high sugar (glucose) in the blood damages the nervous system, particularly in the extremities
(a) Anti-malarial drugs kill the parasites in the blood but they do not cure the disease.Why is this? (b) Why was the use of DDT insecticide not successful in eradicating mal
Ask questiRed-green color blindness is an X-linked recessive disorder. If Allison is heterozygous (a carrier), and her husband, Michael, is NOT colorblind. What is the chance that
The fishes belong to class Pisces under vertebrates. 2. In fishes, the respiratory system consists of mouth, pharynx, internal branchial apertures, branchial pouches and external b
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Assume that after washing your hands, you leave ten bacteria cells on a new bar of soap. You then decide to do a plate count of the soap after it was left in the soap dish for 24 h
Why is the AIDS treatment often done with a drug cocktail? The treatment of acquired immune deficiency syndrome is often done with one or more anti-retroviral drugs of dissimil
what is the normality law?
Q. Economic aspect of biodiversity? Biodiversity serves as an income generating activity for countries around the world. Many people visit forests, beaches, mountains, grasslan
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