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With respect to the binding of regulatory compounds, what properties define an enzyme as being allosteric?
- a)Irreversible, covalent binding of regulatory compounds
- b)Reversible, noncovalent binding of regulatory compounds
- c)Reversible, covalent binding of regulatory compounds
- d)Irreversible, noncovalent binding of regulatory compounds
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
With respect to the binding of regulatory compounds, what properties d...
Allosteric enzymes are enzymes that can be regulated by the binding of specific molecules, known as allosteric regulators, to sites on the enzyme other than the active site. The binding of these regulatory compounds can either enhance or inhibit the enzyme's activity. Importantly, the binding of allosteric regulators is reversible, meaning that the compounds can bind and unbind from the enzyme.
The binding of allosteric regulators typically occurs through noncovalent interactions, such as hydrogen bonds, electrostatic interactions, or hydrophobic interactions. These interactions allow the regulatory compounds to bind to specific allosteric sites on the enzyme, causing a conformational change in the enzyme's structure. This conformational change can alter the enzyme's activity and its affinity for the substrate.
In contrast, options A, C, and D do not accurately describe the properties of allosteric enzymes. Irreversible binding implies a permanent and covalent modification of the enzyme, which is not characteristic of allosteric regulation. Covalent binding, in general, refers to the formation of a covalent bond between the enzyme and a molecule, which is not a defining feature of allosteric regulation.
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With respect to the binding of regulatory compounds, what properties define an enzyme as being allosteric?a)Irreversible, covalent binding of regulatory compoundsb)Reversible, noncovalent binding of regulatory compoundsc)Reversible, covalent binding of regulatory compoundsd)Irreversible, noncovalent binding of regulatory compoundsCorrect answer is option 'B'. Can you explain this answer? for MCAT 2025 is part of MCAT preparation. The Question and answers have been prepared according to the MCAT exam syllabus. Information about With respect to the binding of regulatory compounds, what properties define an enzyme as being allosteric?a)Irreversible, covalent binding of regulatory compoundsb)Reversible, noncovalent binding of regulatory compoundsc)Reversible, covalent binding of regulatory compoundsd)Irreversible, noncovalent binding of regulatory compoundsCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for MCAT 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for With respect to the binding of regulatory compounds, what properties define an enzyme as being allosteric?a)Irreversible, covalent binding of regulatory compoundsb)Reversible, noncovalent binding of regulatory compoundsc)Reversible, covalent binding of regulatory compoundsd)Irreversible, noncovalent binding of regulatory compoundsCorrect answer is option 'B'. Can you explain this answer?.
With respect to the binding of regulatory compounds, what properties define an enzyme as being allosteric?a)Irreversible, covalent binding of regulatory compoundsb)Reversible, noncovalent binding of regulatory compoundsc)Reversible, covalent binding of regulatory compoundsd)Irreversible, noncovalent binding of regulatory compoundsCorrect answer is option 'B'. Can you explain this answer? for MCAT 2025 is part of MCAT preparation. The Question and answers have been prepared according to the MCAT exam syllabus. Information about With respect to the binding of regulatory compounds, what properties define an enzyme as being allosteric?a)Irreversible, covalent binding of regulatory compoundsb)Reversible, noncovalent binding of regulatory compoundsc)Reversible, covalent binding of regulatory compoundsd)Irreversible, noncovalent binding of regulatory compoundsCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for MCAT 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for With respect to the binding of regulatory compounds, what properties define an enzyme as being allosteric?a)Irreversible, covalent binding of regulatory compoundsb)Reversible, noncovalent binding of regulatory compoundsc)Reversible, covalent binding of regulatory compoundsd)Irreversible, noncovalent binding of regulatory compoundsCorrect answer is option 'B'. Can you explain this answer?.
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