Viral infection is a major cause of cancer

a. True
b. False


True

Biology & Microbiology

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Based on your knowledge of hydrocarbon degradation, what factors most likely limited the rate of petroleum degradation after the Exxon Valdez oil spill off the coast of Alaska?

A) salt concentration B) temperature C) inorganic nutrient concentrations D) temperature and inorganic nutrient concentrations

Biology & Microbiology

One effect of auxin, which triggers the elongation of cells, is to affect cell walls by increasing their  

A.  permeability. B.  plasticity. C.  stiffness. D.  thickness. E.  water solubility.

Biology & Microbiology

Which of the following is mismatched?

A. Bartonella henselae - cat-scratch disease B. Bartonella quintana - trench fever C. Yersinia pestis - plague D. Rickettsia typhi - Rocky Mountain spotted fever E. Coxiella burnetii - Q fever

Biology & Microbiology

In autotrophic bacteria, where are the enzymes located that can carry on carbon fixation (reduction of carbon dioxide to carbohydrate)?

A) in chloroplast membranes B) in chloroplast stroma C) in the cytosol D) in the nucleoid E) in the infolded plasma membrane

Biology & Microbiology