(JUNE 2011) 18. A researcher has isolated a restriction endonuclease that cleaves at only one specific 10 base pair site. A) Would this enzyme be useful in protecting cells from […]
The correct answer is (2) A-(ii), B-(i), C-(iv), D-(iii). Introduction Coenzymes are vital non-protein molecules that partner with enzymes to catalyze a wide range of biological reactions. They often serve as […]
The correct answer is (3) 10. Introduction Understanding the relationship between rate constants and equilibrium constants in enzyme-catalyzed reactions is critical in biochemistry. Enzymes accelerate reactions but do not alter their […]
(NOV 2020-1) 15. The rate constant for conversion of a substrate into the product is 10-4 s-1, while the reverse rate constant 10-6 s-1. An enzyme enhance the rate of […]
(DEC 2017) 14. From the following statements A. Enzymes enhance reaction rates by a factor of 2 to 10. B. The activation energy for a reaction is lowered by enzymes. […]
(NOV 2020-1) 13. The following statements were made of suggest the existence of an enzyme-substrate complex. A. at constant concentration of enzyme, the reaction increase with rate increase with increasing […]
(DEC 2002) 12. When a mixture of protease, protein, nuclease and nucleic acid are incubated at 37OC, at the end of one hour which will remain intact (1) Nucleic acid […]
(JUNE 2007) 11. The order of reaction catalyzed by enzyme at low substrate concentration is (1) first order (2) Pseudo first order (3) Second order (4) Zero order The correct […]
10. Consider the following chemical reaction in which forward rate constant (K1) is 1/sec and backward rate constant is 107/sec What will equilibrium rate constant? (1) 1 (2) 107 (3) […]
(JUNE 2014) 9. A protein is composed of leucine, isoleucine, alanine, glycine, proline, one lysine, one arginine and two cysteines connected by a disulfide bond. Conformational analysis indicates that the […]