Competitive Inhibition | MCQs
انزائم کی سرگرمی ______ سے کم ہوئی؟
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A. Substrate
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B. Coenzyme
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C. Inhibitor
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D. Activator
Explanation
Inhibitors are molecules that decrease the activity of enzymes, often by binding to a specific site on the enzyme.
Activators are molecules that increase the activity of enzymes, often by binding to a specific site on the enzyme.
ایک قسم کی انزیمیٹک روک تھام جہاں فعال سائٹ پر قبضہ کرکے یا عالمی ڈھانچے کو تباہ کرکے انزائم کی سرگرمی کی جانچ پڑتال کی جاتی ہے؟
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A. None of these
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B. Irreversible inhibition
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C. Competitive inhibition
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D. Reversible inhibition
Explanation
In irreversible inhibition, the inhibitor either binds permanently to the active site or alters the enzyme's structure, stopping its activity.
This destroys the enzyme’s function, unlike reversible or competitive inhibition which are temporary.
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A. Competes with the enzyme
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B. Is irreversible
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C. Is reversible
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D. Accelerates the chemical reaction
Explanation
A competitive inhibitor binds to the active site of an enzyme, preventing the substrate from binding.
This type of inhibition is typically reversible, as the inhibitor competes with the substrate for the same binding site.
The inhibition can be overcome by increasing the concentration of the substrate.
Competitive inhibitors do not accelerate the reaction and are generally not irreversible.
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