Exam 2: The Chemical Level of Organization

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The molecule DNA contains a five-carbon sugar called

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In-Text Figure Based Questions -Which number represents the greatest amount of energy that must be overcome during the reaction? Which number represents the lowest amount of reaction energy? (Figure 2-9)

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The element sulfur has an atomic number of 16 and mass number of 32. How many neutrons are in the nucleusofa sulfur atom? If sulfur forms covalent bonds with hydrogen, how many hydrogen atoms can bond to one sulfur atom?

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