The critical enzymatic virulence factor that aids survival of Helicobacter pylori in the harsh acidic environment of the stomach is ________, which increases the local pH by converting urea to CO2 and NH3.
Fill in the blank(s) with the appropriate word(s).
urease enzyme
Biology & Microbiology
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Which product(s) of the Calvin cycle is(are) exported from the chloroplast for use by the plant cell?
A. triose phosphates B. sucrose and glucose C. RuBP D. NADPH
Biology & Microbiology
Conglomerate corporations focus on providing one service or product to every potential market in the world
Indicate whether this statement is true or false.
Biology & Microbiology
A particular shark is dark on its dorsal side while much lighter on its ventral side. What camouflage is it exhibiting?
a. Countershading b. Optical illusion c. Transparency d. Cryptic
Biology & Microbiology
A frequent cancer that is seen in AIDS patients is
A. leukemia. B. melanoma. C. Kaposi's sarcoma. D. Hodgkin's lymphoma. E. colon cancer.
Biology & Microbiology