What is Chromatin remodeling Chromatin remodeling(染色质重构)isan important epigenetic mechanism. Chemical modification of the protruding histone tails by the addition of acetyl methyl or phosphate groups can alter chromatin structure, which in turn influences the activity of adjacent genes

Muscle cells But if in the same organIsm, should have the same DNA per Nerve cells( cell Different cells have different clusters of genes active Development and differentiation of embryos is controlled by signaling molecules that alter gene expression in cells

9. The Producer's Problem a. Firms and Maximization b. Production Functions C. Supply and Profit Functions d. Cost Functions e. Duality and Producers f. Application: Urban Systems

8. Financial Markets a. Insurance Markets b. Moral Hazard C. Adverse Selection with one price contracts d. Simple Financial Markets-Comparative Statics e. Option Pricing and Redundant Assets

7. More on Uncertainty Prospect Theory, LoSS Aversion b. Subjective Utility and Common Knowledge Risk Aversion d. First and Second Order stochastic Dominance Asset demand and risk Aversion

6. Choice Under Uncertainty a. Representing Uncertainty: Lotteries and Compound Lotteries b. Axioms of Expected Utility C. The Expected Utility Theory d. Empirical Challenges to Expected Utility Theory-the Paradox Business e. Application: Crime and punishment

复旦大学：《大学物理》课程教学资源（PPT课件，英文）Ch.13 Energy III：Conservation of energy

复旦大学：《大学物理》课程教学资源（PPT课件，英文）Chapter 4 Motion in two and three dimensions

7-5 Conservation of momentum in a system of particles 7-4 Center of mass of solid objects 7-3 Many-particle system 7-2 Two-particle system 7-1 The motion of a complex object

复旦大学：《大学物理》课程教学资源（PPT课件，英文）Chapter 8 Rotational kinematics