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CILI ULIULIS. Question 2 The reason enzyme catalyzed reaction rates have a maximum velocity at high...
high and detecting one product at a time Question 77 The initial velocity of an enzyme...
high and detecting one product at a time Question 77 The initial velocity of an enzyme reaction (vo) describes A) The concentration of the enzyme at maximal velocity B) The concentration of substrate at maximal velocity C) The concentration of both at the start of the reaction D) The rate of the reaction when the substrate and enzyme are first med Question 78 What is the shape of a typical plot of initial rate vs substrate concentration tres kinetics? A)...
PLease answer all... Thank you! 53) An enzyme is (1 pts) an organic catalyst able to...
PLease answer all... Thank you!
53) An enzyme is (1 pts) an organic catalyst able to change the rate of reaction a protein All of the above are correct. 54) Cyanide is a strong inhibitor of iron-containing enzymes because it binds with iron and deprives the enzyme of its cofactor. This is called O noncompetitive ihibition denaturation O competitive inhibition O constitutive enzymes 55) Enzymes which are produced by the cell only in response to a particular substrate are called...
Determine the type of inhibition that has occurred in a first order Michaelis-Menten enzyme catalyzed reaction that has...
Determine the type of inhibition that has occurred in a first order Michaelis-Menten enzyme catalyzed reaction that has yielded the following data. Vi is the velocity in the presence of inhibitor, V is the velocity when run without inhibitor and [S] refers to the substrate concentration. [S] V Vi 5.00 0.29 0.16 1.25 0.27 0.15 0.45 0.23 0.13 0.22 0.19 0.10 0.13 0.14 O.08 Uncompetitive No inhibition at all O None the above ONon-competitive O Competitive
Determine the type of...
Question 41 2 pts Adding more substrate will always speed up an enzyme catalyzed reaction, but...
Question 41 2 pts Adding more substrate will always speed up an enzyme catalyzed reaction, but adding more enzyme will never speed up the reaction rate. True O False Question 42 2 pts Non-competitive inhibition is a more effective way to completely stop a reaction than competitive inhibition. True False 00000000
s- (3 pts) The flowing rates have been an enzyme- catalyzed reaction at various substrate concentrations:...
s- (3 pts) The flowing rates have been an enzyme- catalyzed reaction at various substrate concentrations: Run no. 103 [S]M Rate, v/ (Ms') 2.41 3.33 4.78 6.17 7.41 9.52 0.0 12.5 0.4 0.6 4 2.0 4.0 a- From Line-Weaver double reciprocal plot, obtain and Mechaelis-Menten constant, max b- If the enzyme concentration is 1.00 x 10-11 M calculate kz.
Question 28 1 pts Determine the type of inhibition that has occurred in a first order...
Question 28 1 pts Determine the type of inhibition that has occurred in a first order Michaelis-Menten enzyme catalyzed reaction that has yielded the following data. Vi is the velocity in the presence of inhibitor, V is the velocity when run without inhibitor and [S] refers to the substrate concentration s V 4.00 0.28 0.28 .33 0.27 0.25 0.56 0.24 0.20 0.20 0.18 0.13 0.10 0.13 0.08 O Non-competitive O Competitive O None of the above No inhibition at all...
1 2 3 4 5 6 7 8 9 Part A Which of the following is/are...
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Part A Which of the following is/are means whereby a catalyst can lower the activation energy of a reaction? quantum tunneling decreasing the number of reactive molecules permanently binding substrates inefficient collisions altering the temperature within the cell to one appropriate for reactions to proceed Subrnit Request Answer Part A An enzyme Obinds substrates in a manner that facilitates the formation of product decreases the rate of a reaction. is always...
Question 49 2 pts Enzymes work either by lowering the activation energy or increasing the free...
Question 49 2 pts Enzymes work either by lowering the activation energy or increasing the free energy of a reaction. True False Question 50 2 pts Adding more substrate will always speed up an enzyme catalyzed reaction, but adding more enzyme will never speed up the reaction rate. True False Question 47 2 pts Because of C4 photosynthesis's ability to reduce photorespiration, all plants will evolve into C4 plants in the future. True False Question 48 2 pts If plants...
Question 1 2 pts How does a noncompetitive inhibitor decrease the rate of an enzyme-catalyzed reaction?...
Question 1 2 pts How does a noncompetitive inhibitor decrease the rate of an enzyme-catalyzed reaction? by decreasing the free-energy change of the reaction catalyzed by the enzyme by binding to an allosteric site, thus changing the shape of the active site of the enzyme by binding to the active site of the enzyme, thus preventing binding of the normal substrate by binding to the substrate, thus changing its shape so that it no longer binds to the active site...
Question 6 2 pts Which of the following cannot be a diene in the Diels-Alder reaction?...
Question 6 2 pts Which of the following cannot be a diene in the Diels-Alder reaction? ooooo III IV Il & IV O I&IV Only II Only IV Only! Only III II & III All the M.O.s of 1,3-butadiene are shown below. Which picture represents the Photochemically excited HOMO? 888 IV O IV O II
high and detecting one product at a time Question 77 The initial velocity of an enzyme reaction (vo) describes A) The concentration of the enzyme at maximal velocity B) The concentration of substrate at maximal velocity C) The concentration of both at the start of the reaction D) The rate of the reaction when the substrate and enzyme are first med Question 78 What is the shape of a typical plot of initial rate vs substrate concentration tres kinetics? A)...
PLease answer all... Thank you!
53) An enzyme is (1 pts) an organic catalyst able to change the rate of reaction a protein All of the above are correct. 54) Cyanide is a strong inhibitor of iron-containing enzymes because it binds with iron and deprives the enzyme of its cofactor. This is called O noncompetitive ihibition denaturation O competitive inhibition O constitutive enzymes 55) Enzymes which are produced by the cell only in response to a particular substrate are called...
Determine the type of inhibition that has occurred in a first order Michaelis-Menten enzyme catalyzed reaction that has yielded the following data. Vi is the velocity in the presence of inhibitor, V is the velocity when run without inhibitor and [S] refers to the substrate concentration. [S] V Vi 5.00 0.29 0.16 1.25 0.27 0.15 0.45 0.23 0.13 0.22 0.19 0.10 0.13 0.14 O.08 Uncompetitive No inhibition at all O None the above ONon-competitive O Competitive
Determine the type of...
Question 41 2 pts Adding more substrate will always speed up an enzyme catalyzed reaction, but adding more enzyme will never speed up the reaction rate. True O False Question 42 2 pts Non-competitive inhibition is a more effective way to completely stop a reaction than competitive inhibition. True False 00000000
s- (3 pts) The flowing rates have been an enzyme- catalyzed reaction at various substrate concentrations: Run no. 103 [S]M Rate, v/ (Ms') 2.41 3.33 4.78 6.17 7.41 9.52 0.0 12.5 0.4 0.6 4 2.0 4.0 a- From Line-Weaver double reciprocal plot, obtain and Mechaelis-Menten constant, max b- If the enzyme concentration is 1.00 x 10-11 M calculate kz.
Question 28 1 pts Determine the type of inhibition that has occurred in a first order Michaelis-Menten enzyme catalyzed reaction that has yielded the following data. Vi is the velocity in the presence of inhibitor, V is the velocity when run without inhibitor and [S] refers to the substrate concentration s V 4.00 0.28 0.28 .33 0.27 0.25 0.56 0.24 0.20 0.20 0.18 0.13 0.10 0.13 0.08 O Non-competitive O Competitive O None of the above No inhibition at all...
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Part A Which of the following is/are means whereby a catalyst can lower the activation energy of a reaction? quantum tunneling decreasing the number of reactive molecules permanently binding substrates inefficient collisions altering the temperature within the cell to one appropriate for reactions to proceed Subrnit Request Answer Part A An enzyme Obinds substrates in a manner that facilitates the formation of product decreases the rate of a reaction. is always...
Question 49 2 pts Enzymes work either by lowering the activation energy or increasing the free energy of a reaction. True False Question 50 2 pts Adding more substrate will always speed up an enzyme catalyzed reaction, but adding more enzyme will never speed up the reaction rate. True False Question 47 2 pts Because of C4 photosynthesis's ability to reduce photorespiration, all plants will evolve into C4 plants in the future. True False Question 48 2 pts If plants...
Question 1 2 pts How does a noncompetitive inhibitor decrease the rate of an enzyme-catalyzed reaction? by decreasing the free-energy change of the reaction catalyzed by the enzyme by binding to an allosteric site, thus changing the shape of the active site of the enzyme by binding to the active site of the enzyme, thus preventing binding of the normal substrate by binding to the substrate, thus changing its shape so that it no longer binds to the active site...
Question 6 2 pts Which of the following cannot be a diene in the Diels-Alder reaction? ooooo III IV Il & IV O I&IV Only II Only IV Only! Only III II & III All the M.O.s of 1,3-butadiene are shown below. Which picture represents the Photochemically excited HOMO? 888 IV O IV O II
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