You sit next to Uncle Ed, an immunologist, at Thanksgiving dinner. "I'm a 'big eater'", he says, "just like the cells I study." What are the large cells that engulf pathogens that Uncle Ed works with?
A. monocytes
B. erythrocytes
C. macrophages
D. bacteriophages
E. antibodies
C. macrophages
Biology & Microbiology
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An organism classified as a eukaryote could be which of the following?
A. a photoautotroph or a photoheterotroph B. a chemoheterotroph or a photoautotroph C. a photoheterotroph or a chemoheterotroph D. a chemoautotroph or a chemoheterotroph
Biology & Microbiology
What is the muscle of the upper arm?
What will be an ideal response?
Biology & Microbiology
In what environmental conditions are methanogens generally MOST active?
a. acidic pH b. anoxic c. basic pH d. high levels of organic carbon
Biology & Microbiology
Which of the following diseases is not categorized as an opportunistic infection found in AIDS patients?
A. yeast infections of the mouth or vagina B. shingles C. Kaposi sarcoma D. prolonged diarrhea
Biology & Microbiology