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Biol- 1406 Neethu Mathew 1. Explain how carbon’s electron configuration explains its ability to form large, complex, diverse organic molecules? 2. The sickle-cell hemoglobin mutation alters what level(s) of protein structure? 3. Polysaccharides, triacylglycerides, and proteins are similar. Explain? 4. Stanley Miller's 1953 experiments proved that. Explain? 5. Why are hydrocarbons insoluble in water? 6. Humans can digest starch but not cellulose because. Explain? 7. How does RNA differ from DNA? 8. Explain how ATP functions as the primary energy transfer molecule in living cells 9. What aspects of protein structure are stabilized or assisted by hydrogen bonds? 10. Which modifications of fatty acids will best keep triglycerides solid at warmer temperatures? 11. The difference in lipid and protein composition between the membranes of the endomembrane system is largely determined by . 12. Which animal cell organelle contains enzymes that transfer hydrogen from various substrates to oxygen? 13. Which type of organelle or structure is primarily involved in the synthesis of oils, phospholipids, and steroids? 14. What technique would be most appropriate to use to observe the movements of condensed chromosomes during cell division? 15. How is Fat made, by joining what together? 16. What is meant for protein to be denatured? 17. What type of linkages join glucose, amino acids, fatty acids and nucleotides together? 18. The label on a container of margarine lists "hydrogenated vegetable oil" as the major ingredient. What is the result of adding hydrogens to vegetable oil? 19. What is the chemical reaction mechanism by which cells make polymers from monomers? 20. The bonding of two amino acid molecules to form a larger molecule requires ? 21. Which type of interaction stabilizes the α helix and the β pleated sheet structures of Protein? 22. If 2 molecules of the general type shown in Figure 5.1 were linked together, carbon 1 of one molecule to carbon 4 of the other, the single molecule that would result would be ? 23. In the fractionation of homogenized cells using centrifugation, the primary factor that determines whether a specific cellular component ends up in the supernatant or the pellet is based on ? 24. Lactose, a sugar in milk, is composed of one glucose molecule joined by a glycosidic linkage to one galactose molecule. How is lactose classified? 25. What methods may be used to elucidate the structures of purified proteins?