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Organisms that are found together and interact on a more or less permanent basis are in a relationship termed
Q5: Pseudomonas species<br>A) are resistant to many disinfectants and
Q10: Azotobacter<br>A) forms endospores.<br>B) fixes nitrogen.<br>C) fixes carbon
Q11: Free-floating, photosynthetic organisms found in marine environments
Q29: All blood cells originate from the<br>A) erythrocyte
Q49: Urticaria is characterized by<br>A) diarrhea.<br>B) wheal and
Q52: How do some pathogens prevent complement activation
Q65: Anti-human-gamma-globulin antiserum is often used in<br>A) direct
Q69: Why must vancomycin be administered intravenously except when
Q88: Why do animal viruses have envelopes and
Q107: Influenza is caused by<br>A) orthomyxovirus.<br>B) H. influenzae.<br>C)