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Unformatted text preview: of T For students taking 2.37 1. Chapter 10, problem 7 2. Chapter 10, problem 9 3. Chapter 10, problem 11 4. Chapter 11, problem 7 5. Chapter 12, problem 2 6. In this problem we examine a simplied model for the unwinding of doublestranded DNA molecules. The DNA has N links; each link has a state in which it is closed with energy 0, and a state in which it is open with energy . The DNA can only unwind from the left; in other words, the s th link can open if all the links to the left (1,2,3,. ..,s1) are open. (a) Show that the partition function of a DNA molecule is 1exp(( N + 1) /kT ) 1exp(/kT ) (b) In the limit kT nd the average number of open links as a function of T...
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This note was uploaded on 10/06/2011 for the course MECHANICAL 2.37 taught by Professor Hadjiconstantinou during the Fall '07 term at MIT.
 Fall '07
 Hadjiconstantinou
 Mechanical Engineering

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