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Question #46790
The Question
'Saheli' is a non-steroidal oral contraceptive that acts as a Selective Estrogen Receptor Modulator (SERM). Suppose its systemic modulation inadvertently leads to the atrophy of the intestinal brush border epithelium, causing a secondary deficiency of specific enzymes and subsequent colonic fermentation of sugars. Which of the following biochemical processes will remain UNAFFECTED by this specific structural atrophy?
Options
- A.
Hydrolysis of the β-1,4 glycosidic linkage between galactose and glucose.
- B.
Cleavage of the α-1, β-2 glycosidic linkage between glucose and fructose.
- C.
Hydrolysis of the α-1,4 glycosidic linkages in intact starch to produce maltose.
- D.
Cleavage of the α-1,4 glycosidic linkage between two glucose units in maltose.
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
Lactase|Sucrase|Centchroman
Why This Question Is Tricky
Common Mistakes
Conceptual Pivot: Differentiating between luminal phase digestion (pancreatic secretions) and membranous phase digestion (brush-border enzymes).
The trap relies on students lumping all carbohydrate digestion together under 'small intestine functions' without distinguishing the exact cellular origin of the enzymes.
Furthermore, it tests Biomolecules integration by requiring the student to identify the enzymes based purely on their specific anomeric glycosidic linkage targets.
Quick Facts About This Question
Question Information
| Subject | Biology |
| Chapter | Biomolecules - Class 11 |
| Concept | Glycosidic Linkage Anomeric Specificity |
| Difficulty | 8 |
| Cognitive Load | 5 |
| Target Solve Time | 120 sec |
| Access | Free |