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What are some mechanisms by which pathogenic bacteria cause diseases? Why is this knowledge important?
Pathogenic bacteria have characteristics called as virulence factors that help them to parasite their host. Some bacteria have fimbriae, cilium-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. Generally, bacterial disease is caused by bacterial population growth with invasion and destruction of tissues or by bacterial toxins that contaminate the organism.
Bacterial Cell Review - Image Diversity: bacterial virulence factors
DISORDE R RELATED TO NUTRITION AND DIGESTIVE SYSTEM Malnutrition Malnutrition is improper intake of food. Malnutrion covers both undernutrition and overnutrition. Und
Parasites - Biological Stress Many insects and microorganisms can feed upon tissues and saps of living plants. Hence plants must be protected against such parasites either by
Q. Etiologic factor of atherosclerosis? Various factors are responsible for atherosclerosis. These include: 1. Hyperlipidemin: Excess circulating fats in blood especially th
Q. What are the Signs of cardiac tamponade? The clinical presentation will be that of a low output state with anxiety, restlessness, dyspnoea, sweating, cold extremities and dr
The original DNA sequence when ,transcribed and translated would yield five successive valine residues. But the altered sequence would correspondingly read one aspartate and four s
Q. In which bones can bone marrow chiefly be found? Is the bone marrow made of osseous tissue? Bone marrow can mainly be found in the internal cavities of flat bones, like the
Explain Implant Integrity Implant Integrity: A horizontal dark line at the abutment level is most probably due to screw-loosening and separation of elements. This may happen
Define requirements of Sodium during pregnancy period? As you know, sodium plays a role in fluid balance. Sodium metabolism is altered during pregnancy under the stimulus of a
Mitral Valve Replacement : When mitral valve replacement for a calcified, stenotic valve is done, usually it is a classical procedure removing leaflets, their chordae an
Define Heart Diseases - excessive fat intake? Heart diseases show strong links to fat and cholesterol intake. Foods rich in cholesterol are of animal origin and given in Table.
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