Which of the following statements concerning Pasteurella is FALSE?
A. It is oxidase positive.
B. It is non-motile.
C. Humans are typically infected via animal bites.
D. It is fastidious in its growth and must be cultivated on blood or chocolate agar.
E. It is very resistant to a wide variety of antibacterial drugs including fluoroquinolones.
Answer: E
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The photosynthetic systems of algae living in deeper water are adapted to absorb more of the light of which of the following colors?
A. yellow B. red-orange C. blue-green D. purple E. white
Consumer fears and uncertainty about the safety of cloned milk and meat have prevented these products from being
sold in stores even though the ____________________ has ruled that such food is safe. Fill in the blank(s) with the appropriate word(s).
Which of the following techniques is most commonly used in the prenatal diagnosis of genetic disorders, such as cystic fibrosis, in a human fetus?
A) Chorionic villus sampling B) Isolation of fetal cells from maternal blood C) Amniocentesis
What happens when the resting potential reaches threshold voltage?
A) Voltage-gated sodium channels close. B) Voltage-gated sodium channels open. C) The sodium-potassium pump is turned on. D) Resting potassium channels close. E) Voltage-gated potassium channels open.