Chemical bonding, thermodynamics

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Department
Biochem + Mole Biology
Course
BC 351
Professor
Aaron Sholders
Semester
Summer

Description
Lecture 1Chemical bondingWe must consider two major classes of bonds in biochemistryCovalent bondsNoncovalent bondsCovalent bondsA covalent bond is a chemical bond that involves the sharing of electrons between two atomsMain atoms in biology carbon nitrogen oxygen hydrogenSulfur phosphorus others are minorCNOH99Figure 113Single bonds3C w 4 single bondssp hybridizedTetrahedral1095Double bonds2sp hybridizedTrigonal planar120ConformationStaggeredeclipsedTo change conformation there must be rotation around a bondConfigurationCistrans cissame side of bond transopposite sidesDouble bondBond must break for configuration to changeProteins primarily trans
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