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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
There are three methods of collections: 1. Kerbside collection: In this collection system the refuse is brought in containers and placed on the footway, from where it is
classification of coelenterats?
S h o c k It is defined as a generalized acute reduction in the perfusion of tissues by which there is oxygen deficiency in the cells. It is characterized by reduction in e
ABSORPTIO N OF FOOD Absorption from Mouth Here negligible tobacco, alkohal and some medicines as isoprenailne glycerol tri nitrite is absorbed. Absorptio n from Sto
Q. Cows swallow their food once and then this food goes back to the mouth to be chewed again. How can this phenomenon be explained? The food ingested by cows and other ruminant
Benefits of Exercises Benefits of exercises for a diabetic patient are given below: - Improves sugar control. - Decreases HbA1C level. - Decreases blood pressure. -
Trypsin Trypsin is secreted in the inactive form trypsinor - which is converted into the active form trypsin by the enzyme enterokinase secrated by the duodenal mucosa.
NUCLEOLUS Discovered by Fontana and name given by Bowman. It is naked structure that is attached to chromatin at specific point called nucleolar organiser region or
Why does one need to study about soil and what is its importance? You would be aware that, from the dawn of agriculture, cultivators were attracted to fertile soils of river
Determine Effect of Inadequate calcium intake and iron deficiency anaemia? The requirement of iron and calcium is at its peak in adolescence due to an increase in the skeletal
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