Group I Group II P. Pantothenic acid 1. Electron transport Q. Vitamin B2 2. Transfer of 1-C units R. Vitamin B6 3. Decarboxylation S. Folic acid 4. Fatty acid metabolism 5. Hydrolysis
The question requires matching vitamins from Group I with their associated metabolic processes or reactions in Group II.
Matching Vitamins to Metabolic Roles
P. Pantothenic Acid (Vitamin B5)
Pantothenic acid is a component of Coenzyme A (CoA). Coenzyme A plays a vital role in numerous metabolic pathways, most notably in the synthesis and breakdown of carbohydrates, fats, and proteins. A key function is its involvement in Fatty acid metabolism.
- Match: P - 4. Fatty acid metabolism
Q. Vitamin B2 (Riboflavin)
Riboflavin is the precursor for the coenzymes flavin adenine dinucleotide (FAD) and flavin mononucleotide (FMN). These coenzymes are essential electron carriers in redox reactions, particularly in the Electron transport chain and cellular respiration.
- Match: Q - 1. Electron transport
R. Vitamin B6 (Pyridoxine)
Vitamin B6, in its active form pyridoxal phosphate (PLP), is a critical cofactor for enzymes involved in amino acid metabolism. It facilitates various reactions, including Decarboxylation, transamination, and racemization of amino acids.
- Match: R - 3. Decarboxylation
S. Folic Acid (Vitamin B9)
Folic acid is converted to tetrahydrofolate (THF), the active coenzyme form. THF is essential for the metabolism of one-carbon units, acting as a carrier in reactions like the synthesis of purines, pyrimidines, and certain amino acids. This corresponds to the Transfer of 1-C units.
- Match: S - 2. Transfer of 1-C units
Conclusion
Combining the matches:
- P corresponds to 4 (Fatty acid metabolism)
- Q corresponds to 1 (Electron transport)
- R corresponds to 3 (Decarboxylation)
- S corresponds to 2 (Transfer of 1-C units)
This corresponds to the pairing P-4, Q-1, R-3, S-2.
Important Questions from Structure and Function of Biomolecules
- Match the carbohydrates in Column I with the correct glycosidic linkages involved in Column II.
Column I Column II P. Amylose 1. $\beta$ ($1\to 4$) Q. Sucrose 2. $\alpha$ ($1\to 4$) R. Amylopectin 3. $\alpha 1\to \beta 2$ S. Cellulose 4. $\alpha$ ($1\to 4$), $\alpha$ ($1\to 6$) - 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 - Which one of the following coenzymes is utilised by alanine racemase for the conversion of L-Alanine to D-Alanine?
- Correctly match the following Monosaccharides with their respective Epimers.
Monosaccharide Epimer P. D-mannose 1. C-3 epimer of D-glucose Q. D-allose 2. C-4 epimer of D-glucose R. D-galactose 3. C-4 epimer of D-mannose S. D-talose 4. C-2 epimer of D-glucose 5. C-5 epimer of D-glucose - Which of the following show(s) optical activity at 100 mM concentration in water?
