羧酸衍生物的水解、醇解和氨【胺】解是在羰基碳原子上发生的一类亲核加成反应。
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金属氢化物是负氢离子【亲核试剂】给予体,它们可还原羰基,一般不还原碳碳双、叁键。
A. 对
B. 错
Virulence factors of Mycobacterium tuberculosis do not include
A. intracellular survival
B. exotoxin
C. cord factor
D. cell wall component
Mycobacterium tuberculosis and related species
A. are obligate anaerobes
B. are acid-fast bacilli
C. only found in humans
D. will be visible only if incubated up to 2~4 weeks
The most common way in which tuberculosis is acquired is via the
A. skin
B. gastrointestinal tract
C. respiratory tract
D. genital tract
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