Advertisements
Advertisements
प्रश्न
What are enzymes?
Advertisements
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.
APPEARS IN
संबंधित प्रश्न
Describe the important properties 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 ______.
Match the enzymes with their respective substrates and choose the correct option.
| Column I | Column II | ||
| i. | pancreatic lipase | a. | Dipeptides |
| ii. | Nucleases | b. | Fats |
| iii. | Lactase | c. | Nucleic acids |
| iv. | Dipeptidases | d. | Lactose |
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.
Study the following statements with respect to enzymes and select the correct option.
- Most of the enzymes work at an optimum temperature between 20°C and 35°C.
- Enzymes are destroyed at lower temperature of 10-20°C.
- 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 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.
What are different classes of enzymes? Explain any two with the type of reaction they catalyse.
Enzyme sucrase belongs to which one of the following classes?
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 are needed only in small quantities to catalyse reactions because ______
Malonate inhibits the growth of pathogenic bacteria by inhibiting the activity of ______.
