Biochemistry 410/411 Textbook - 5th Edition - Custom Texas A&M University
5th Edition
ISBN: 9781119302940
Author: Voet
Publisher: WILEY C
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Chapter 7, Problem 13E
Summary Introduction
To explain: The way in which it is possible for an entire sarcomere to shorten by 1000Å in the period during through which myosin undergoes five ATP hydrolysis cycles per second, where each of which moves as an actin monomer by ~100 Å.
Concept introduction: Myosin proteins are those which bind on to actin microfilaments of the cell cytoskeleton. They play an important role in muscle contraction and cytokinesis. Myosin is an important motor protein associated with the muscle contraction and motility. Myosin requires ATP for proper functioning. They have an ATPase subunit.
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Draw the predominant form of
glutamic acid at pH = 8.4. The pKa
of the side chain is 4.1. Include
proper stereochemistry.
HO
H2N
OH
pH = 8.4
How would I draw this?
Calculate the standard change in Gibbs free energy, AGrxn, for the given reaction at 25.0 °C. Consult the table of
thermodynamic properties for standard Gibbs free energy of formation values.
NH,Cl(s) →NH; (aq) + C1 (aq)
AGrxn
-7.67
Correct Answer
Determine the concentration of NH+ (aq) if the change in Gibbs free energy, AGrxn, for the reaction is -9.27 kJ/mol.
6.49
[NH+]
Incorrect Answer
kJ/mol
M
Chapter 7 Solutions
Biochemistry 410/411 Textbook - 5th Edition - Custom Texas A&M University
Ch. 7 - Prob. 1ECh. 7 - 2. Which set of binding data is likely to...Ch. 7 - Prob. 3ECh. 7 - Prob. 4ECh. 7 - 5. Drinking a few drops of a commercial...Ch. 7 - 6. Explain why long-distance runners prefer to...Ch. 7 - Prob. 7ECh. 7 - Prob. 8ECh. 7 - Prob. 9ECh. 7 - 10. In the variant hemoglobin C, glutamate at...
Ch. 7 - 11. Is myosin a fibrous protein or a globular...Ch. 7 - 12. In striated muscle, cells undergo mitosis...Ch. 7 - 13. A myosin head can undergo five ATP hydrolysis...Ch. 7 - 14. Rigor mortis, the stifle rung of muscles after...Ch. 7 - Prob. 15ECh. 7 - 16. Antibodies are well suited for recognizing...Ch. 7 - 17. Give the approximate molecular masses of an...Ch. 7 - 18. Many fish produce a tetrameric IgM. If each H...Ch. 7 - 19. Explain why the variation in VL and VH domains...Ch. 7 - 20. How many hypervariable loops are present in...Ch. 7 - Prob. 21CQCh. 7 - 22. If myoglobin had the same p50 value as...Ch. 7 - Prob. 23CQCh. 7 - Prob. 24CQCh. 7 - Prob. 25CQCh. 7 - Prob. 26CQCh. 7 - Prob. 27CQCh. 7 - Prob. 28CQCh. 7 - 29. Explain why a microfilament is polar, whereas...Ch. 7 - Prob. 30CQCh. 7 - Prob. 31CQCh. 7 - Prob. 32CQCh. 7 - Prob. 33CQCh. 7 - Prob. 34CQCh. 7 - MORE TO EXPLORE (a) Lock up information about...
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