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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

Define Enzymes

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प्रश्न

Define enzymes.

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उत्तर

Enzymes are defined as biocatalysts, produced by the living cells which catalyse many biochemical reactions in animals and plant bodies.

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2016-2017 (July)

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संबंधित प्रश्‍न

Enzymes that catalyse the interconversion of optical, geometrical, or positional isomers are


What are the factors affecting the rate of enzyme reaction?


Briefly outline the classification of enzymes


____________ refers to enzymes that act at a site far away from the site of its synthesis.


Which of the following essential elements act as enzyme activators?


Maltose - X + Y, Identify X and Y in the presence of the enzyme maltase.


The word 'enzyme' refers to ______.


Study the following statements and select correct option.

Statement I: Removal of co-factors from the enzyme disrupts the catalytic activity of the enzyme.

Statement II: Prosthetic groups bound tightly to apoenzymes in order to make them catalytically active.


Glycosidic bonds would be broken under the activity of which enzyme?


NADP is ____________.


Study the following statements with respect to enzymes and select the correct option.

  1. Most of the enzymes work at an optimum temperature between 20°C and 35°C.
  2. Enzymes are destroyed at lower temperature of 10-20°C.
  3. Each enzyme exhibits its highest activity at a specific pH i.e. optimum pH.

From the following identify the condition/s that does not result in complete destruction of enzymes?


The enzymes get denatured ______.


The rate of enzyme reactions rises with the increase in substrate concentration. But it does NOT increase beyond a certain concentration because ______ 


Enzymes can react with acidic or basic substances due to their ______ nature.


Enzymes are different from catalysts in ______.


Enzymes, vitamins and hormones can be classified into a single category of biological chemicals, because all of these ______.


Give the industrial applications of enzyme catalysis.


What are enzymes?


Match the enzymes in Column I with their products in Column II

Column I Column II
i. Amylase c. Disaccharides
ii. Trypsin d. Polypeptides
iii. Chymotrypsin b. Dipeptides
iv. Rennin a. Coagulated milk protein

Choose the correct answer from the following options.


Malonate inhibits the growth of pathogenic bacteria by inhibiting the activity of ______.


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