Agrobacterium
A) contain the Ti plasmid which modifies the growth of plant tissue.
B) produce antibiotics.
C) infect animal cells.
D) resemble fungus.
Correct Answer:
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Q21: Azotobacter
A)forms endospores.
B)forms cysts.
C)fixes carbon dioxide.
D)are used as
Q27: Heterocysts
A)are found in nitrogen-fixing cyanobacteria.
B)are used to
Q33: Sulfuric acid is
A)involved in bioleaching.
B)produced by unicellular
Q36: Sphaerotilus and Leptothrix are examples of
A)purple sulfur
Q37: Which organism(s) is/are acid-fast?
A) Nocardia
B) Pseudomonas
C) E.
Q37: Pseudomonas
A)are resistant to many disinfectants and antimicrobials.
B)are
Q39: Purple sulfur bacteria and filamentous sulfur-oxidizers both
A)accumulate
Q43: Which of the following is/are obligate intracellular
Q50: The Euryarchaeota includes all
A)known thermophilic extreme acidophiles.
B)the
Q58: Many spirochetes are difficult to cultivate,so their
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