Important members of the intestinal microbiota are the strictly anaerobic
A. Enterobacter.
B. Bacteroides.
C. Pseudomonas.
D. Bordetella.
E. Legionella.
Answer: B
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During oogenesis meiosis results in _____
A) four equally sized cells that stop dividing in meiosis I B) two equally sized cells that are both typically fertilized C) two equally sized cells, but only one is typically fertilized D) two or three small cells and one large cell that develops further if fertilized
The reason(s) that the body has such difficulty combating HIV infection and preventing progression to AIDS is because
A. HIV mutates slowly. B. HIV targets both humoral and cell-mediated immunity. C. HIV blocks antigen recognition by macrophages. D. HIV destroys MHC molecules. E. HIV blocks the inflammatory response.
Where would you expect to find methanogens?
A. In the digestive tract of cows B. Near a volcano C. In the surf along the beach D. On the surface of plants
If an organism obtains its CARBON from the ATMOSPHERE it could be classified as
a. heterotroph b. phototroph c. autotroph d. chemotroph