Sarcomas are cancers of the ____
a. liver
b. brain
c. bone marrow
d. muscle and bone
e. lymphoid tissue
ANSWER: d
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An infected intravenous (IV) catheter tip grew out gram-positive cocci, which were catalase positive and coagulase negative. The zone size of the novobiocin disk measured 18 mm. The most likely organism causing infection is:
a. S. saprophyticus. b. S. epidermidis. c. S. hominis. d. S. cohnii.
Within an organism, all cells have the same ____, whereas different cell types contain different ____
a. RNA; genes b. protein; RNA c. genes; proteins d. RNA; protein e. proteins; genes
The specific traits of a particular organism enabling it to survive, grow, and reproduce within a given environment are called
A) mutations. B) genes. C) adaptations. D) phenotypes.
Which of the following is on the same trophic level as a rabbit?
A. deer B. snake C. bobcat D. fox E. hawk