On your first biology test, for Chapters 2 and 3, you will be required to outline a 5 paragraph essay on one of the following topics. The outline should contain a thesis statement which sums up the point of you essay and introduces the three main pieces of evidence that you will use to support your point. You should also have a topic sentence for each of your body paragraphs, which illuminates one of you pieces of supporting evidence. Finally, you should include a summary sentence, a restatement of your thesis which points to the evidence that you have explained in the body of the essay.
There are three topic possibilities for this test. One of them will be chosen, by me, for the test. You are responsible for being prepared to answer all topics.
1. Compare and contrast two of the organic molecules discussed in this chapter. Use their monomers, polymers, and functional groups, as well as their functions and structures to make these comparisons.
2. How does polarity affect waters ability to react with itself or with other substances? What causes polarity, and how does this affect the molecule as a whole? What specific attributes are results of polarity?
3. Explain how ionic and covalent bonds are able to create molecules in different ways. Use the way electrons are used and the structures of the atoms to clarify why some atoms form ionic bonds, some form covalent, and some can form both types of bonds.
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