Susan ran a beef slaughterhouse. At the end of a very long day in which many cattle were processed, she found that there were several pounds of thyroid gland, unsalable as such. Therefore, she ordered the glands be ground into hamburger meat. If someone
were to buy, cook, and eat all of that thyroid-burger, what serious outcome would you predict for that customer?
What will be an ideal response?
The customer would most likely develop hyperthyroidism with accompanying rapid heart rate, increased metabolic rate, sweating, weight loss, and nervous behavior. The customer may also exhibit exophthalmos. Note: This is based on an actual case.
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During fermentation, pyruvate is:
A. oxidized. B. reduced. C. phosphorylated. D. hydrogenated. E. carboxylated.
In neurons, an action potential begins when a(n) ________ reaches a(n) ________
a. ion pump / membrane b. electrical charge / cell body c. membrane potential / threshold level d. ion concentration / equilibrium
What is the best way to describe our current understanding of the one-gene/one-polypeptide hypothesis?
A. It is oversimplified, especially in eukaryotes. B. It continues to be an accurate description of how genes work. C. It was true for fungi like Neurospora, but not for other species. D. It has been replaced by the more accurate "one-gene/one-enzyme" hypothesis.
Some fungi are predators (not parasites) of
A) spiders. B) chestnut and elm trees. C) nematodes (roundworms). D) humans. E) wheat.