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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

What are enzymes?

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प्रश्न

What are enzymes?

एका वाक्यात उत्तर
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उत्तर

Many chemical reactions that take place in our body are brought about at the physiological pH of 7.4 and the body temperature of 37°C with the help of biological catalysts called enzymes.

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संबंधित प्रश्‍न

Describe the important properties of enzymes.


Protein part of the enzyme is known as ______.


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?


Identify the INCORRECT statement regarding mitochondria.


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


Which enzyme catalyzes following reaction?

OAA + acetyl-Co-A → Citrate + Co-A


Bile salts bring about emulsification of fats and activate the enzyme ______.


The pocket into which a substrate binds to an enzyme is called as ____________.


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.


Prosthetic groups differ from co-enzymes in that-


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.

What are different classes of enzymes? Explain any two with the type of reaction they catalyse.


In glycolysis, the enzyme dehydrogenase is involved in ______.


Choose the correct statement among the following.


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.


Enzymes that catalyse removal of group of atoms from substrate molecule, other than hydrolysis, leaving double bonds are______.


Enzymes are needed only in small quantities to catalyse reactions because ______


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


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