Homework Answers
I believe the correct answer to be:
LINE C.
As the activation energy for the reaction in line C is higher so no enzyme is used. The role of an enzyme is that it decreases the activation energy required for the reaction which can be observed in reaction D.
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34. In this picture, which line represents the reaction without the enzyme? (line C or line...
the activation energy di the reaction with an enzyme. the progress of the reaction. All of...
the activation energy di the reaction with an enzyme. the progress of the reaction. All of the following statements regarding the figure are correct EXCEPT? Figure 2. Energy profile of a chemical reaction with and without an enzyme Free Energy Progress of reaction - Even with the addition of an enzyme, an input of energy is needed for the reaction to progress. Energy is released from the reaction with or without an enzyme Even with the addition of an enzyme,...
A 6. During an enzyme controlled reaction a number of changes in conformation occur in the...
A 6. During an enzyme controlled reaction a number of changes in conformation occur in the erzyme. Which row shows the role of different changes in contormation of an enzyme ? sequence of an enzyme controlled reaction induced fit of substrate enzyme/substrate complex product release changes total free helps release temporary helps temporary energy of reaction bonds bond formation helps temporary bond changes total free energy helps release formation of reaction tempcrary bonds helps temporary bond helps release formation reduces...
400 (b) Products 300 Potential Energy (a) 200 (d) (c) 100 Reactants Reaction Pathway Which letter...
400 (b) Products 300 Potential Energy (a) 200 (d) (c) 100 Reactants Reaction Pathway Which letter represents the AG of the reaction in the figure? [Select ] Is the AG positive or negative? [Select] Which letter represents the activation energy required for the reaction if the reaction is NOT catalyzed with an enzyme? [ [Select ] Which letter represents the activation energy required for the reaction if the reaction is catalyzed with an enzyme? [Select]
In the enzyme activity of lactase lab, sodium carbonate was used to halt the enzyme-catalyzed reaction....
In the enzyme activity of lactase lab, sodium carbonate was used to halt the enzyme-catalyzed reaction. Which of the following is the most likely explanation for sodium carbonate having this effect? A. Sodium carbonate raises the kinetic energy of the solution B. Sodium carbonate is a base and enzymes have an optimal pH range C. Sodium carbonate is toxic and quickly destroys the enzyme D. Sodium carbonate is able to lower the activation energy of the reaction
Which of the following stages is essential for enzyme catalyzed reaction to occur? A. Enzyme-substrate binding stage B. Substrate transitional stage C. Enzyme-product releasing stage D. A and C E. A,B...
Which of the following stages is essential for enzyme catalyzed reaction to occur? A. Enzyme-substrate binding stage B. Substrate transitional stage C. Enzyme-product releasing stage D. A and C E. A,B and C In terms of source for activation energy, which of the followings is possible? A. releasing of solvent molecules or atoms from enzymes B. releasing of substrates or products from enzymes C. locally or globally reversible changes in enzyme structure D. All above E. None above
Use the graph to answer the questions. Which part of the graph represents activation energy? A...
Use the graph to answer the questions.
Which part of the graph represents activation energy?
A
C
E
B
D
Which one choose the best definition for activation energy?
1. energy produced by an object in motion
2. energy that must be added to start a reaction
3. energy released during a chemical reaction
4. energy difference between reactants and products in a
reaction
5. energy that is stored in chemical bonds
Energy > - - - - - -...
Question 33 Which dominant production paradigm represents the Overall Equipment Effectiveness (OEE) metric? OEE= (Good Count...
Question 33 Which dominant production paradigm represents the Overall Equipment Effectiveness (OEE) metric? OEE= (Good Count x Ideal Cycle Time)/Planned Production Time Where: Good Count = Parts manufactured without defects Ideal Cycle Time = Theoretical fastest time possible to manufacture a part Planned Production Time = Total time scheduled for production a) Industry 4.0 b) Craftsmanship c) Mass production d) Lean manufacturing e) Industry 3.0 [1 mark] Question 34 Identify the defining factor for your answer in Question 33 and...
Describe the enzyme carbonic anhydrase by answering the following question: (a) Which reaction is catalyzed by...
Describe the enzyme carbonic anhydrase by answering the following question: (a) Which reaction is catalyzed by this enzyme? (2 points) (b) Which cofactor is used by this enzyme? (1 point). (c) Which amino acids of the enzyme, and how many of them coordinate the cofactor? (2 points). (d) How does this cofactor help accelerate the reaction? Think about the chemistry (1 point) and the shift of the equilibrium (1 point).
Each enzyme has a pH at which apeed of the of an enzyme at diff reaction...
Each enzyme has a pH at which apeed of the of an enzyme at diff reaction is optimum (occurs best). Graph below represents activity erent pH (x-axis). Y-axis is a color intenaity reflecting activity of enzyme, rreaction (rate or velocity) - What would be the pH at which this enzyme functions best? 25 20 15 10 1 2 3 45 6 79 10 11 O 10 0 14 20 O 11
Which of the diagrams illustrates the way in which the rate of an enzyme-controlled reaction depends...
Which of the diagrams illustrates the way in which the rate of an enzyme-controlled reaction depends on substrate concentration? * А B Rate of reaction MÚN Substrate concentration A B D When starch and amylase are mixed in the presence of iodine solution, the blue-black colour rapidly disappears. This is due to the formation of which molecule? * glucose O glycogen sucrose O maltose Which of the following enzyme groups can catalyse oxidation reactions? * O phosphorylases isomerases hydrolases dehydrogenases...
the activation energy di the reaction with an enzyme. the progress of the reaction. All of the following statements regarding the figure are correct EXCEPT? Figure 2. Energy profile of a chemical reaction with and without an enzyme Free Energy Progress of reaction - Even with the addition of an enzyme, an input of energy is needed for the reaction to progress. Energy is released from the reaction with or without an enzyme Even with the addition of an enzyme,...
A 6. During an enzyme controlled reaction a number of changes in conformation occur in the erzyme. Which row shows the role of different changes in contormation of an enzyme ? sequence of an enzyme controlled reaction induced fit of substrate enzyme/substrate complex product release changes total free helps release temporary helps temporary energy of reaction bonds bond formation helps temporary bond changes total free energy helps release formation of reaction tempcrary bonds helps temporary bond helps release formation reduces...
400 (b) Products 300 Potential Energy (a) 200 (d) (c) 100 Reactants Reaction Pathway Which letter represents the AG of the reaction in the figure? [Select ] Is the AG positive or negative? [Select] Which letter represents the activation energy required for the reaction if the reaction is NOT catalyzed with an enzyme? [ [Select ] Which letter represents the activation energy required for the reaction if the reaction is catalyzed with an enzyme? [Select]
Use the graph to answer the questions.
Which part of the graph represents activation energy?
A
C
E
B
D
Which one choose the best definition for activation energy?
1. energy produced by an object in motion
2. energy that must be added to start a reaction
3. energy released during a chemical reaction
4. energy difference between reactants and products in a
reaction
5. energy that is stored in chemical bonds
Energy > - - - - - -...
Question 33 Which dominant production paradigm represents the Overall Equipment Effectiveness (OEE) metric? OEE= (Good Count x Ideal Cycle Time)/Planned Production Time Where: Good Count = Parts manufactured without defects Ideal Cycle Time = Theoretical fastest time possible to manufacture a part Planned Production Time = Total time scheduled for production a) Industry 4.0 b) Craftsmanship c) Mass production d) Lean manufacturing e) Industry 3.0 [1 mark] Question 34 Identify the defining factor for your answer in Question 33 and...
Each enzyme has a pH at which apeed of the of an enzyme at diff reaction is optimum (occurs best). Graph below represents activity erent pH (x-axis). Y-axis is a color intenaity reflecting activity of enzyme, rreaction (rate or velocity) - What would be the pH at which this enzyme functions best? 25 20 15 10 1 2 3 45 6 79 10 11 O 10 0 14 20 O 11
Which of the diagrams illustrates the way in which the rate of an enzyme-controlled reaction depends on substrate concentration? * А B Rate of reaction MÚN Substrate concentration A B D When starch and amylase are mixed in the presence of iodine solution, the blue-black colour rapidly disappears. This is due to the formation of which molecule? * glucose O glycogen sucrose O maltose Which of the following enzyme groups can catalyse oxidation reactions? * O phosphorylases isomerases hydrolases dehydrogenases...
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