In Figure 43-3 the structure labeled 4 is:
a. the basilar membrane.
b. the tectorial membrane.
c. the organ of Corti.
d. the sterociliary membrane.
e. the vestibular membrane.
B
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What is the order of structures or spaces that a surgeon will pass through to operate on a human lung?
A. skin -> intercostal muscles -> parietal pleural membrane -> pleural cavity -> visceral pleural membrane -> lung tissue B. skin -> pleural cavity -> intercostal muscles -> visceral pleural membrane -> parietal pleural membrane -> lung tissue C. skin -> visceral pleural membrane -> intercostal muscles -> pleural cavity -> parietal pleural membrane -> lung tissue D. skin -> intercostal muscles -> visceral pleural membrane -> pleural cavity -> parietal pleural membrane -> lung tissue E. skin -> intercostal muscles -> pleural cavity -> parietal pleural membrane -> visceral pleural membrane -> lung tissue Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about the lungs? What other information is related to the question? Choose Answer Given what you now know, what information is most likely to produce the correct answer? Reflect on Process Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
The discoverer of "homeotic mutations," who also resisted the growing "modern synthesis" model of evolution, was ________
A) St. George Mivart B) Ernst Mayr C) Julian Huxley D) David Wake E) William Bateson
Which are evolutionary modifications that improve the survival and reproductive success of an organism?
a. mutations b. adaptations c. artificial traits d. homoplastic traits e. vestigial structures
Which of the following is not a possible explanation for the origin of autoimmune diseases?
A. Forbidden clones B. Sequestered antigens C. Molecular mimicry D. The gut microbiome E. All the choices are currently being investigated as possible explanations.