Question
A protein without its prosthetic group is known as
The correct answer is
apoprotein
Protein Without Prosthetic Group: Apoprotein Explained
A protein molecule that has had its non-protein component, known as the prosthetic group, removed is termed an apoprotein.
The holoprotein represents the complete, functional molecule, which includes both the apoprotein and its prosthetic group.
Why other options are incorrect:
- Hemoprotein: Refers specifically to proteins containing a heme group (like hemoglobin).
- Lipoprotein: A complex of proteins and lipids (fats).
Therefore, the correct term for a protein lacking its prosthetic group is apoprotein.
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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?
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