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Question #46348
The Question
A patient develops severe metabolic acidosis, leading to a drastic drop in blood pH and a subsequent collapse of systemic metabolic rates. Based on the principles of biological catalysis, which of the following statements is INCORRECT regarding the effect of this extreme pH fluctuation on enzyme kinetics?
Options
- A.
The extreme pH disrupts hydrogen and ionic bonds, compromising the functional tertiary structure of the enzymes.
- B.
The loss of active site specificity prevents the obligate formation of the transient Enzyme-Substrate (ES) complex.
- C.
The structural denaturation of these biocatalysts directly lowers the activation energy threshold, causing the metabolic collapse.
- D.
The failure to form the ES complex means the activation energy barrier remains at the higher, uncatalyzed level.
Check Your Answer
Correct Answer
Step-by-Step Solution
Explanation
How the Examiner Thinks
Regulatory_Failure
Understand how NOT, EXCEPT, and logical constraints are used to manipulate exam results.
Concepts Behind This Question
Plasma_Proteins|Enzyme_Activation_Energy_Lowering|Homeostatic_Range
Why This Question Is Tricky
Common Mistakes
Conceptual Pivot: Students often reflexively associate 'enzymes' with 'lowers activation energy'.
The trap exploits this by stating that the denaturation of the enzyme lowers the activation energy.
In reality, denaturation destroys the active site, preventing the ES complex formation, which means the activation energy barrier remains high (uncatalyzed state).
Quick Facts About This Question
Question Information
| Subject | Biology |
| Chapter | Body Fluids and Circulation - Class 11 |
| Concept | Plasma Proteins and Osmotic Pressure |
| Difficulty | 8 |
| Cognitive Load | 5 |
| Target Solve Time | 120 sec |
| Access | Free |