Practice question
Question
Match the biomolecules in Column I with their function given in Column II Column I Column II P. Lectins 1. Acts as ATP dependent pump to efflux out small molecules Q. P-glycoprotein 2. Targets lysosomal enzymes to their destination R. Digitoxigenin 3. Specific carbohydrate binding proteins S. Mannose 6-phosphate 4. Inhibits Na ⁺ -K ⁺ pump
Explanation
P-3; Q-1; R-4; S-2 is correct because it matches established biochemistry principles where p-3; q-1; r-4; s-2 represents the functional mechanism. Alternatives such as P-3; Q-2; R-1; S-4, P-1; Q-3; R-4; S-2 contradict experimental evidence and standard textbook descriptions.
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