BIOL 1201 Lecture : BIOL 1201 Week 4
Document Summary
Week 9/14/15 (no reading, but need to go back to 142-162, pre-lec video: enzymes, on-line quiz) Chemical reactions: occur anytime two or more atoms, ions, or molecules collide in such a way that they produce a new substance, must collide with the right force in the right orientation. Laws of thermodynamics: first law: energy can be neither created nor destroyed, only converted from one form to another, second law: when converting energy from one form to another the amount of useful energy decreases. Free energy and chemical reactions: spontaneous: release free energy (exergonic, delta g = , non-spontaneous: require free energy (endergonic, delta g = , spontaneity doesn"t say anything about the speed of reaction. If the entropy and enthalpy are opposite then the reaction is either non-spontaneous or spontaneous. Next class: on-line quiz, pre-lec video on membrane structure, new reading 125-141.
