Bio 208 Chapter 2 Reading Assignment

Bio 208 Chapter 2 Reading Assignment - how the chemical...

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Reading Assignment Chapter 2 - The Chemistry of Microbiology In order to fully understand how living organisms grow, develop and react to their environment, we must first examine their structure at the molecular level. The following questions need to be answered. What chemicals compose a living cell? What properties do these chemicals possess? How do these chemicals interact with each other and the external environment? This chapter begins with a review of some basic chemical principles (atomic structure, electronic configuration, bonding) and then moves on to a description of the four groups of biomolecules. While studying this chapter, focus on the structure-function relationship of molecules. In other words, identify
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Unformatted text preview: how the chemical structure of a molecule is related to the function it performs in the cell/organism. For example, a molecule that is a structural molecule maintaining the 3-D shape of the cell should be strong, with some flexibility, and insoluble in the aqueous environment of the cell. The properties of this molecule should be analogous to the properties expected of a steel beam that holds up a building. A molecule that needs to move quickly through the bloodstream of an individual would have very different properties. It would, ideally, be small and globular (round) in shape, and would be polar so that it would interact well with the aqueous environment of the cell....
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