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Practice Questions for Midterm 1: Note: The answers to these questions will be posted by Wednesday. 1. Draw the electron configurations for Nitrogen (N7, atomic#=7) and Neon (Ne10, atomic#=10) 2. Calcium (Ca20) and chlorine (Cl17) can combine to form calcium chloride. Based on the # of electrons in the outer shells of these two atoms, what would you expect the molecular formula for this compound to be? 3. Indicate whether olive oil is hydrophilic or hydrophobic, and whether it contains ionic or covalent bonds. 4. Why do climates tend to be more moderate near large bodies of water compared to desert regions? 5. Show the flow of genetic information in a cell: _______________ ® ______________ ® ______________ 6. Match the molecule with its class of macromolecule. _____ glycogen _____ enzyme _____ cellulose _____ RNA _____ cholesterol
7. Which of the following would be a
hydrophobic molecule? 8. The carbohydrate energy storage molecule of an animal is ________________. 9. How does the nucleus control protein synthesis in the cytosol? 10. List two functions of microtubules. 11. Label the indicated structures on the animal cell that is shown below.
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©2003-2004 Dilek Sanver-Wang, MS
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