Lecture 9.Feb8 - BIO 311C Spring 2010 Lecture 9 Monday 8...

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Unformatted text preview: BIO 311C Spring 2010 Lecture 9 Monday 8 Feb. 2010 Exam 1: in this room at this time on Friday (Feb. 12. The last ~20 minutes of the Wednesday lecture period will be devoted to a review of the subject matter covered through todays lecture. More information about the exam will also be provided at that time. * Levels of Organization within Living Cells * atoms small molecules large organic molecules occlusions, cellular organelles, other cellular structures living cells levels of organization considered in most detail in BIO 311C Populations of cells (tissue) r populations of unicellular organisms 2 A. the arrangements of atoms within and between biological molecules. (chemical structures) B. changes in the arrangements of atoms as they combine and dis-associate in various ways. (chemical reactions) * Chemistry as applied to living cells is especially concerned with:- the individual atoms that are components of biomolecules,- the bonds that hold the atoms of biomolecules together. In order to appreciate the structures and functions of biomolecules in living cells, it is necessary to understand some features of: * Acetic acid, a small organic molecule atoms bonds Review (from discussion periods) Also see textbook Table 2.1, p. 32 Green arrows represent elements most abundant in biological molecules. Know the chemical symbols for all elements shown in this table, and for the trace elements copper (Cu), iron (Fe), and manganese (Mn). Major Elements that occur in the Human Body * Summary of Bond Characteristics of Typical Biological Molecules Bond Type Bond Length () Bond Angle (deg.) Bond Strength (KJ/mol) covalent ~ 1 ~ 109 100 - 500 (typically ~400) polar several N.A. * N.A....
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This note was uploaded on 06/11/2010 for the course BIO 48765 taught by Professor Sathasvian during the Spring '10 term at University of Texas at Austin.

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Lecture 9.Feb8 - BIO 311C Spring 2010 Lecture 9 Monday 8...

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