7. 30 grams of acetic acid (60 MM) is added to 120 g sodium acetate (82 MM). The totalvolume of the solution is 1 liter. What is the pH of the solution if the is Pka is 4.76?А. 3.23В. 4.23C. 5.23D. 6.348. ADH requires NAD+ for catalytic activity. In the reaction catalyzed by ADH, an alocohol isoxidized to an aldehyde as NAD+ is reduced to DADH and dissociates from the enzyme.The NAD is functioning as a (an):A. ApoenzymeB. Coenzyme-cosubstratec. Coenzyme-prosthetic groupD. Cofactor9. Carbohydrate test that is based on the reduction of Copper ions, EXCEPT.A. Bial's Orcinal testB. Barfoed's testC. Benedict's testD. None of the above.10. All are carbohydrate monomers, EXCEPT.A. FructoseВ. MannoseC. Both A and BD. None of the above.11. Which one of the following statements about protein structure is correct?A. Proteins consisting of one polypeptide can have a quaternary structure.B. The formation of disulfide bond in a protein required that 2 adjacentparticipating cysteine residues be adjacent to each other in the primarysequence of the protein.C. Denaturation of the proteins always leads to irreversible loss of secondary andtertiary structure.D. The information requires for the correct folding of a protein in the specificsequence of amino acids along the polypeptide chain.12. Using the michaelis- menten equation. What will happen if we increase the Vmax twotimes?A. initial velocity will have no change.B. Initial velocity increased 4X.C. initial velocity will also increase 2X.D. None of the above.

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Answered: 7. 30 grams of acetic acid (60 MM) is…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

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Problem 1P

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At 298 K the standard enthalpy of combustion of sucrose is −5797 kJ mol−1 and the standard Gibbs energy of the reaction is −6333 kJ mol−1. Estimate the additional non-expansion work that may be obtained by raising the temperature to blood temperature, 37 °C.
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Refer to the figure shown here, and determine the value of E for the overall oxidation/reduction reaction (refer to the book/lecture slides if you need help with the overall reaction). 121/202 + 2H+ + 2e → H₂0 NAD + H* + 2e → NADH O-1.136 volts O 0.496 volts O+1.136 volts voltsm -0.496 volts EU (volts) +0.816 - 0.320
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7. 30 grams of acetic acid (60 MM) is added to 120 g sodium acetate (82 MM). The total volume of the solution is 1 liter. What is the pH of the solution if the is Pka is 4.76? A. 3.23 В. 4.23 C. 5.23 D. 6.34