26. AN ORGANIC COFACTOR IN A CONJUGATED ENZYME? A. NEITHER VITAMINS NOR MINERALS B. MINERALS C. VITAMINS D. BOTH VITAMINS AND MINERALS 27. WHICH OF THE FOLLOWING STATEMENTS CONCERNING COFACTORS IS INCORRECT? A. VITAMINS CANNOT BE COFACTORS B. SOME COFACTORS ARE METAL IONS C. COFACTOR IS THE NON-PROTEIN PORTION OF ENZYME D. CONJUGATED ENZYMES CONTAIN COFACTORS 28. WHICH OF THE FOLLOWING VITAMINS IS NOT A FAT SOLUBLE VITAMIN? A. VITAMIN E B. VITAMIN C C. VITAMIN A D. VITAMIN D
26. AN ORGANIC COFACTOR IN A CONJUGATED ENZYME?
A. NEITHER VITAMINS NOR MINERALS
B. MINERALS
C. VITAMINS
D. BOTH VITAMINS AND MINERALS
27. WHICH OF THE FOLLOWING STATEMENTS CONCERNING COFACTORS IS INCORRECT?
A. VITAMINS CANNOT BE COFACTORS
B. SOME COFACTORS ARE METAL IONS
C. COFACTOR IS THE NON-PROTEIN PORTION OF ENZYME
D. CONJUGATED ENZYMES CONTAIN COFACTORS
28. WHICH OF THE FOLLOWING VITAMINS IS NOT A FAT SOLUBLE VITAMIN?
A. VITAMIN E
B. VITAMIN C
C. VITAMIN A
D. VITAMIN D
29. WHAT HAPPENS TO SUBSTRATE MOLECULES AT AN ENZYME ACTIVE SITE?
A. ALWAYS REACT WITH OXYGEN
B. UNDERGO CHANGE TO A DESIRED PRODUCTS
C. BECOME CATALYST C ALWAYS REACT WITH OXYGEN B UNDERGO CHANGE TO A DESIRED PRODUCT D. BECOME COVALENTLY BONDED TO THE ENZYME
D. BECOME COVALENTLY BONDED TO THE ENZYME
30. ACTION OF CHEMICAL WARFARE AND ORGANOPHOSPHATE INSECTICIDE ARE BASED ON?
A. REVERSIBLE ENZYME INHIBITOR
B. IRREVERSIBLE ENZYME INHIBITOR
C. REVERSIBLE ENZYME ACTIVATOR
D. IRREVERSIBLE ENZYME ACTIVATOR
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