BIOCHEM 2EE3- Final Exam Guide - Comprehensive Notes for the exam ( 22 pages long!)

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Covalent vs. non-covalent interactions covalent bonds are much stronger than non-covalent bonds non-covalent interactions drive many molecular interactions in our cells (protein-protein, protein-nucleic acid) Question: suppose a ca2+ and cl- ion are separated in a solution by a distance of 6 units. 0. 0125 and 1/24. 5 = 0. 04 from this we can see that energy required to separate ions in ethanol is 3. 3 times greater than in water. Dipole-induced dipole molecules that don"t have net negative charge but have an asymmetric internal distribution unequal sharing of electrons allows for determination of magnitude of polarity of a molecule. Molecule proximity the closer the molecules, the greater the attraction force however, if they get too close, they will start to repel goal is to nd the perfect attraction level. Real molecules molecules are not perfect spheres, but instead are complicated shapes usually, the distance between two non bonded atoms is much shorter than the sum of their radii.

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