All of the following are food-borne pathogens except ________.
A. Lactobacillus acidophilus
B. Staphylococcus aureus
C. Clostridium perfringens
D. Campylobacter jejuni
E. Salmonella
Answer: A
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Phosphofructokinase is an allosteric enzyme that catalyzes the conversion of fructose 6-phosphate to fructose 1,6-bisphosphate, an early step of glycolysis. In the presence of oxygen, an increase in the amount of ATP in a cell would be expected to _____
A) inhibit the enzyme and thus slow the rates of glycolysis and the citric acid cycle. B) activate the enzyme and thus slow the rates of glycolysis and the citric acid cycle. C) inhibit the enzyme and thus increase the rates of glycolysis and the citric acid cycle. D) activate the enzyme and thus increase the rates of glycolysis and the citric acid cycle. E) inhibit the enzyme and thus increase the rate of glycolysis and the concentration of citrate.
ATP can be produced via the Stickland reaction by ________.
A. Clostridium B. Epulopiscium C. Bacillus D. Desulfotomaculum
Alzheimer’s disease involves damage to brain
neurons that release
a. acetylcholine. b. dopamine. c. norephinephrine. d. serotonin. e. an endorphin
Blanks "C" and "D" should be labeled
respectively a. in; large b. in; small c. out; large d. out; small e. none of these