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  Introduction to Cell Biology Lecture #2: bonds, chirality, sugars and lipids Marcelo Ehrlich, PhDDepartment of Cell Research and Immunology 2014 1  4 types of chemical bonds-covalent = two atoms share electrons-ionic = based on the electrostatic forces between two oppositely charged ions-hydrogen = attractive interaction (dipole-dipole) between an electronegative atom and an hydrogen atom bound to another electronegative atom-Van derwaals= intermolecular forces which arrisefrom the generation (transient) of dipoles 2  Bond anglesBond anglesBond rigidity3How do chemical bonds contribute to molecular shape?  The form forming potential of carbonskeletonsChainsBranched treesRings4

Adventure 15

Jul 23, 2017
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