In contrast to the lesions associated with other skin disorders, the lesions associated with smallpox:
A) are identical in size and shape.
B) remain isolated to the facial area.
C) originate on the lower extremities.
D) are in various stages of development.
Answer: A) are identical in size and shape.
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What animal has kidneys that are so efficient that it never has to drink water and can obtain all of its water from its food?
A. camel B. desert lizard C. gerbil D. pocket mouse E. kangaroo rat
Kettle ponds derive from a hole left by a retreating glacier that is subsequently filled with rainwater. A certain region has a series of disconnected kettle ponds, but occasionally heavy rains flood them and create streams. Which type of animal is most likely to be present in this area as a metapopulation?
A. an aquatic bird B. a dragonfly C. a mosquito D. a fish
The light reactions of photosynthesis generate high-energy electrons, which end up in __________. The light reactions also produce __________ and __________.
Fill in the blank(s) with the appropriate word(s).
According to the results of the StaphTEX agglutination assay, which unknown culture was Staphylococcus aureus?
A) Unknown B B) Unknown A C) Neither D) Both