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Biology

Immunity

Prokaryotic Cells Eukaryotic Cells
· No nucleus · Nucleus
· No nucleolus · Nucleolus
· Strands of DNA but no chromosomes · Chromosomes present in strands of
present DNA
· No membrane bounded organelles · Membrane bounded cells such as
present mitochondria present
· No chloroplasts · Chloroplasts…

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Cholera




· Vibrio cholerae
· Flagellum (tail)
· Prokaryotic

Symptoms: Diarrhoea, dehydration (as a consequence), some show no symptoms.
How: It is found in dirty water, sometimes food, that has be contaminated with faeces
containing the pathogen.
Infection:
· Most pathogens are killed in the acid conditions in the stomach,…

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