Which of the following is a common source of antibiotics?
A) Acetobacter
B) Bacillus species
C) Pseudomonas
D) Streptococcus thermophilus
E) Streptomyces
E
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Formation of biofilms attached to fibronectin and fibrinogen coating plastic devices like catheters and heart valves is a virulence mechanism of
A. Staphylococcus. B. Streptococcus. C. Clostridium. D. Pseudomonas.
Who of the following developed a set of criteria that could be used to establish a causative link between a particular microorganism and a particular disease?
A. Pasteur B. Fracastoro C. Lister D. Koch
In humans, germ cells are located in the
A. ovaries and bone marrow. B. ovaries. C. bone marrow. D. testes and ovaries. E. testes.
Which of the following are lipids?
a. sterols b. triglycerides c. oils d. waxes e. all of these