61⟩ What is the disease caused by Helicobacter pylori?
Peptic ulcers
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160 Biotechnology Questions And Answers
62⟩ What is the disease caused by Guanarito virus?
Venezuelan haemorrhagic fever
63⟩ What is the disease caused by Encephalitozzon hellem?
Conjunctivitis, disseminated disease
64⟩ What is the disease caused by Borrelia burgdorferi?
Lyme disease
65⟩ What happens when gastrointestinal exposure occurs?
Gastrointestinal exposure results in bloody diarrhea, ulcers in ileum or cecum and sepsis and it is very difficult to diagnosis.
66⟩ What is the disease caused by Hepatitis E?
Enteric Non-A, Non-B hepatitis
67⟩ What happens when cutaneous exposure occurs?
Cutaneous exposure results in skin lesions.
68⟩ How passive immunity is acquired?
Passive immunity is acquired through natural maternal antibodies, antitoxin, and immunoglobulin.
69⟩ How is active immunity acquired?
Active immunity is acquired through vaccines, attenuated organisms, toxoid, natural infection, cloned microbial antigens, etc.
70⟩ Normally at what age vaccination of children begins?
Vaccination of children begins at the age of 2 months.
71⟩ What is a toxoid?
Inactivating the toxin with formaldehyde is toxoid.
72⟩ Why purified macromolecules are used as vaccines?
To avoid the risk associated with attenuated and killed whole organism vaccines.
73⟩ What is the full form of AIDS?
Full form of AIDS is acquired Immunodeficiency syndrome.
74⟩ What is a retrovirus?
It is a class of viruses having RNA genome and reverse transcriptase enzyme within virus cuspid.
75⟩ Name some purified macromolecules derived from pathogens?
They are capsular polysaccharides, inactivated exotoxins and recombinant microbial antigens.
76⟩ How AIDS is caused?
It is caused by the infection of HIV 1 i.e. human immunodeficiency virus.
77⟩ What does immunodeficiency results?
Immunodeficiency results in failure of one or more components of immune system.
78⟩ What does myeloid immunodeficiency cause?
Myeloid immunodeficiency causes phagocytic function, which is impaired. Those who are affected with this will suffer with increase in susceptibility to bacterial infection.
79⟩ What do most vaccines function as?
Most of the vaccines prevent disease but not infection.
80⟩ What is a provirus?
It is the DNA representing, the genome of virus that has been integrated into the DNA of the host.
