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?
What will be an ideal response?
This question asked you to apply the properties of water to explain why salt melts ice. If you got the
correct answer, great job! If you got an incorrect answer, where did the process break down? Did you
realize that ice forms because of hydrogen bonding between water molecules? Did you understand that
salt ions interfere with this hydrogen bonding, reducing water’s ability to form ice?
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The upper respiratory tract usually has a considerable amount of resident microflora in a healthy adult
Indicate whether the statement is true or false.
Which of the following traits will show Mendelian behavior?
A. dominance B. semidominance C. codominance D. epistasis E. linkage
In mixed assemblages, baboons sometimes see predators that impala do not hear, and impala sometimes hear predators that baboons do not see. In both cases, the flight of one species alerts the other to danger. This interaction is an example of:
a. an indirect relationship b. commensalism c. mutualism d. competition e. symbiosis
At the end of binary fission, how many cells have been created?
a. 1 b. 2 c. 3 d. 4