How do microbiologists identify microorganisms?
A) macroscopic appearance
B) microscopic morphology
C) biochemical reactions
D) all of the above
Ans: D) all of the above
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Which of the following pollutants could be reduced with the use of bioremediation?
A. heavy metals B. petroleum hydrocarbons C. halogenated organic compounds D. pesticides E. All of the choices are correct.
The DNA sequence ATGCATGC will pair with which of the following RNA strands?
A. UACGUACG B. CGAUCGAU C. AUGCAUGC D. TAGCTAGC E. UAGCTAGC
The easiest microbial forms to kill or inhibit are
A. naked viruses. B. Mycobacterium and Staphylococcus. C. endospores. D. vegetative bacteria and fungi. E. protozoan cysts.
Which of the following types of work involves a change in position of the cell or a cell structure?
A) bioluminescent B) electrical C) mechanical D) synthetic E) concentration