题目内容

Plasmid between bacteria is mainly transfered by ()

A. Conjugation
B. Transduction
C. Transformation
D. Mutation
E. Lysogenetic Transformation

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Bacteria invade blood, spread to other tissues and organs, and caused suppurative lesions ()

A. Septicemia
B. toxemia
C. bacteremia
D. Pyemia
E. viremia

Which bacteria component can combine with IgG Fc? ()

A. M protein
B. Vi antigen
C. SPA
D. anthrax capsule antigen
E. K antigen

Shigellosis is common in travelers to developing countries. Infection is commonly acquired through the ()

A. Skin
B. Gastrointestinal tract
C. Respiratory tract
D. Genital tract
E. Nasal tract

The most common shape of virus is ()

A. rod
B. filament
C. tadpole-like
D. spherical
E. rectangular

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