A urease test is used to identify Mycobacterium tuberculosis because
A) urease is a sign of tuberculosis.
B) M. tuberculosis produces urease.
C) urea accumulates during tuberculosis.
D) some bacteria reduce nitrate ion.
E) M. bovis can cause tuberculosis.
B
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In dissimilatory sulfate reduction by Desulfovibrio, electrons are passed out of the cell, where they are used to reduce sulfide completely to sulfate.
Answer the following statement true (T) or false (F)
The melting of ice is an example of a(n) ___________ process.
Fill in the blank(s) with the appropriate word(s).
Lab time will focus on being: ______ and _______
Fill in the blank(s) with the appropriate word(s).
Infectious diseases can be classified on the basis of
A. severity and duration of the disease. B. means of transmission. C. organs or organ systems affected by the disease. D. type of microbe that causes the disease. E. disease severity and duration, organ system affected or type of microbe.