People who suffer from thyroid adenomas have constitutively activated G proteins in some cells of the thyroid gland. Tumor cells not only secrete copious quantities of thyroid hormones but also divide and grow excessively. Based on these observations, in what kind(s) of signal transduction pathways do the mutant G proteins participate?

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#Question id: 12263

#Unit 10. Ecological Principles

You have discovered an unknown insect that has cryptic coloration. What do you hypothesize about this animal? 

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#Question id: 12264

#Unit 10. Ecological Principles

You discover several species of unpalatable insects that closely resemble each other. You propose that this is an example of __________ mimicry. 

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#Question id: 12265

#Unit 10. Ecological Principles

A metapopulation consists of

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#Question id: 12266

#Unit 10. Ecological Principles

Populations inhabiting fragmented habitats form

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#Question id: 12267

#Unit 10. Ecological Principles

As the, Populations inhabiting fragmented habitats form 

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#Question id: 12268

#Unit 7. System Physiology – Animal

 A 40-year-old woman is placed on a high-potassium diet for several weeks. Which of the following hormonal changes is most likely to occur?