3. Chemistry of Carbon_Ch4

3. Chemistry of Carbon_Ch4 - the amino group (-NH 2 )...

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Chapter 4 C, H, O, and N can combine in many ways Vitalism Hydrocarbons Isomers Structural, geometric, enantiomeric Rings (often not isomers at all)
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Functional groups contribute to the molecular diversity of life 6 groups are of primary value in biochemistry All are hydrophilic, and therefore increase the solubility of organic compounds in water.
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Functional groups Hydroxyl, sulfhydryl Amino Carbonyl Ketones Aldehydes Carboxyl Phosphate
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The basic structure of testosterone (male hormone) and estradiol (female hormone) is identical.
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the hydroxyl group (-OH) Organic compounds with hydroxyl groups are alcohols and their names typically end in -ol. CH 3 OH methyl alcohol,methanol CH 3 CH 2 OH ethyl alcohol, ethanol C C H H H H H H O
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the carbonyl group (C=O) Aldehyde: carbonyl group on the end Ketone: carbonyl group between two C atoms Isomeric aldehydes and ketones have very different properties.
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the carboxyl group (-COOH) Compounds with carboxyl groups are acids because the COOH group can dissociate a proton.
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Unformatted text preview: the amino group (-NH 2 ) Organic compounds with amino groups are amines . The amino group acts as a base because ammonia can pick up a hydrogen ion (H + ) from the solution. Amino acids, the building blocks of proteins, have both amino and carboxyl groups. the sulfhydryl group (-SH) consists of a sulfur atom bonded to a hydrogen atom. This group resembles a hydroxyl group in shape and chemical properties. Sulfhydryl groups are also called thiols . Sulfhydryl groups help stabilize the structure of proteins. the phosphate group (-OPO 3 2-) A phosphate group connects to the carbon backbone via one (or more) of its oxygen atoms. Phosphate groups are negatively charged, since protons usually dissociate from the oxygen atoms. One function (of many) of phosphate groups is to transfer energy between organic molecules. And on to chapter 5. Quiz Questions-sum of pH and pOH in water is always 14-maximum number of particles in solution? 1.0 M NaCl...
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This note was uploaded on 04/09/2009 for the course BISC 220 taught by Professor Mcclure during the Spring '09 term at USC.

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3. Chemistry of Carbon_Ch4 - the amino group (-NH 2 )...

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