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MCAT Biology Passage 8: Internal Movement and Defense
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Avg score: 83% Most missed: “Why would these symptoms be attributed to something acquired rather than to some…”
Four friends who lived in different states gathered annually for a weeklong elk-hunting trip in Montana for more than 20 years. As part of their tradition, they shared a meal of one of the harvested elk. One of the four was killed in a one-vehicle automobile accident a year ago when he apparently experienced a sudden seizure at highway speeds. Autopsy concluded that the cause of death was due to trauma, but also revealed pronounced spongiform encephalopathy and the presence of significant amyloid plaques in the brain tissue. Most recently the remaining three have developed similar patterns... Show more
MCAT Biology Passage 8: Internal Movement and Defense
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5 Questions

1. Which is the most likely common source of their combined health issues?
2. Which is the most likely common source of their combined health issues?
3. What biochemical mechanism contributes to the amyloid plaques?
4. What biochemical mechanism contributes to the amyloid plaques?
5. What process is used to propagate the agent within neurons?