Characteristics of Bacillus anthracis include all the following except
A. capsule and exotoxins are virulence factors.
B. anaerobic.
C. reservoir includes infected grazing animals and contaminated soil.
D. gram positive bacillus.
E. sporeformer
Answer: B. anaerobic.
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Which cardiovascular structures in the fetus shunt blood away from the fetal lungs?
A) foramen ovale and ductus arteriosus B) foramen magnum and ductus venosus C) foramen ovale and ductus venosus D) umbilical artery and umbilical vein E) umbilical artery and ductus venosus
According to scientific evidence, what is the best prevention method known for reducing the chance of contracting a common cold?
A) drinking Echinacea tea at least once a day B) eating 500 mg of vitamin C a day C) using throat lozenges that contain zinc D) washing your hands frequently and effectively
Fats that remain solid at room temperature are MOST likely to be:
A) unsaturated B) saturated C) polysaturated D) none of the choices is correct
Which of the following is a source of carbon skeletons that are used in the synthesis of amino acids?
A. Acetyl-CoA B. Glycolysis intermediates C. TCA cycle intermediates D. All of the choices are correct.