Mercury would bind to the mer operon to act as an activator whereas the less toxic products from the pathway would acts as a repressor.
Answer:
Many scientists use dichotomous keys to identify plants, animals, and other organisms. They may also use dichotomous keys to identify species, or to determine whether a particular organism has been identified and described before. However, dichotomous keys are not used only to identify organisms.
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Well it depends on what type of mountain you are on and depending on which mountain you are on the temperature varies on the area.<span />
The integumentary system reduces water loss, contains receptors that respond to touch, it regulates body temperature and protects the inside of the body from damage.
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