General Knowledge · Logical Reading Comprehension
Which choice most logically completes the text? Many mosquito repellents contain natural components that work by activating multiple odor receptors on mosquitoes’ antennae. As the insects develop resistance, new repellents are needed. Ke Dong and her team found that EBF, a molecular component of a chrysanthemum-flower extract, can re pel mosquitoes by activating just one odor receptor—and this receptor, Or31, is present in all mosquito species known to carry diseases. Therefore, the researchers suggest that in developing new repellents, it would be most use ful to _________.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1determine the maximum number of different odor receptors that can be activated by a single molecul e.
- 2verify the precise locations of Or31 and other odor receptors on mosquitoes' antennae .
- 3investigate alternative methods for extracting EBF molecules from chrysanthemums.
- 4identify molecular components similar to EBF that target the activation of Or31 receptors.✓
Correct answer
identify molecular components similar to EBF that target the activation of Or31 receptors.
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