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Concept explainers
(a)
Interpretation:
The type of enzyme regulation in which an enzyme becomes overactive during a disease has to be determined.
Concept Introduction:
Enzyme:
- It is a protein or a molecule which can act as a catalyst for a biological reaction.
- Does not affect the equilibrium point of the reaction.
- Active site of the enzyme is the region where the reaction takes place.
- Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.
Enzyme inhibitors: The substance which slows or stops the action of an enzyme is called enzyme inhibitors.
It can be used as drugs and an example is AZT which is used to treat HIV.
The competition of an enzyme can be reversible or irreversible and in reversible inhibition, the inhibitor can leave and in irreversible inhibition, the inhibitor remains permanently bound.
(b)
Interpretation:
The type of enzyme regulation in which an enzyme is needed only when there is low blood glucose has to be determined.
Concept Introduction:
Enzyme:
- It is a protein or a molecule which can act as a catalyst for a biological reaction.
- Does not affect the equilibrium point of the reaction.
- Active site of the enzyme is the region where the reaction takes place.
- Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.
Feedback control: The pathways which are dependent on a series of consecutive reactions in which the product of one reaction is the reactant for the next and these pathways are subjected to feedback control, which occurs when the result of a process feeds information back to affect the beginning process.
(c)
Interpretation:
The type of enzyme regulation in which an enzyme that springs into action when a traumatic injury occurs has to be determined.
Concept Introduction:
Enzyme:
- It is a protein or a molecule which can act as a catalyst for a biological reaction.
- Does not affect the equilibrium point of the reaction.
- Active site of the enzyme is the region where the reaction takes place.
- Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.
Enzyme regulation:
Some enzymes can destroy the organ in which they are produced and they are often synthesized as proenzymes or zymogens.
Enzyme regulation by covalent modification can be done by two methods and one is through removal of a covalently bonded portion of an enzyme or addition of a group.
(d)
Interpretation:
The type of enzyme regulation in which an enzyme is needed only during adolescence has to be determined.
Concept Introduction:
Enzyme:
- It is a protein or a molecule which can act as a catalyst for a biological reaction.
- Does not affect the equilibrium point of the reaction.
- Active site of the enzyme is the region where the reaction takes place.
- Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.
Enzyme regulation by genetic control:
It is a type of control by which regulation of enzyme activity is done by the control of the synthesis of enzymes.
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Chapter 19 Solutions
Fundamentals of General, Organic, and Biological Chemistry, Books a la Carte Plus Mastering Chemistry with Pearson eText -- Access Card Package (8th Edition)
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- Balance the following equation and list of coefficients in order from left to right. SF4+H2O+—-> H2SO3+HFarrow_forwardProblem 15 of 15 Submit Using the following reaction data points, construct Lineweaver-Burk plots for an enzyme with and without an inhibitor by dragging the points to their relevant coordinates on the graph and drawing a line of best fit. Using the information from this plot, determine the type of inhibitor present. 1 mM-1 1 s mM -1 [S]' V' with 10 μg per 20 54 10 36 20 5 27 2.5 23 1.25 20 Answer: |||arrow_forward12:33 CO Problem 4 of 15 4G 54% Done On the following Lineweaver-Burk -1 plot, identify the by dragging the Km point to the appropriate value. 1/V 40 35- 30- 25 20 15 10- T Км -15 10 -5 0 5 ||| 10 15 №20 25 25 30 1/[S] Г powered by desmosarrow_forward
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