Your neighbor tried to lift a propane tank onto the back of his pickup truck and ruptured the cartilaginous disk between two of his vertebrae. What is most likely to happen to him?
A) He will suffer pain from a compressed spinal nerve.
B) He might have severe brain damage.
C) His spinal nerve cord will enlarge.
D) He will have bloody stools.
Answer: A
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Which tissue layer is not associated with the stomach?
a. Mucosa b. Longitudinal muscle c. Circular muscle d. Oblique muscle e. All are associated with the stomach.
Functional secondary xylem that conducts water and dissolved minerals is known as:
a. softwood. b. springwood. c. hardwood. d. sapwood. e. heartwood.
If changes occur in the genetic diversity of a species and they are not the result of natural selection, which of the following could have occurred?
A. This could be a case of genetic drift. B. The population may be extremely small. C. Random events may have eliminated certain genes from the population. D. All of the answers are correct.
The ___ part of the cell membrane functions as a barrier while the ___ does most of the transport.
a. Carbohydrates; Lipids b. Glycoprotein; lipids c. Glycogen; protein d. Lipids; Proteins