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प्रश्न
What are enzymes?
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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
Define enzymes.
Protein part of the enzyme is known as ______.
Briefly outline the classification of enzymes
Identify the INCORRECT statement regarding mitochondria.
Maltose - X + Y, Identify X and Y in the presence of the enzyme maltase.
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 |
Which enzyme catalyzes following reaction?
OAA + acetyl-Co-A → Citrate + Co-A
The pocket into which a substrate binds to an enzyme is called as ____________.
Glycosidic bonds would be broken under the activity of which enzyme?
Match the Column I (Enzymes) with Column II (Functions) and select the correct option:
| Column I | Column II | ||
| i. | Restriction endonuclease | a. | Joins the DNA fragments |
| ii. | Restriction exonuclease | b. | Extends primers on genomic DNA template |
| iii. | DNA ligase | c. | Cuts DNA at Specific position |
| iv. | Taq polymerase | d. | Removes nucleotides from the ends of DNA |
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.
In glycolysis, the enzyme dehydrogenase is involved in ______.
Choose the correct statement among the following.
Enzymes are different from catalysts in ______.
Which of the following is a coenzyme?
Enzymes, vitamins and hormones can be classified into a single category of biological chemicals, because all of these ______.
Enzymes that catalyse removal of group of atoms from substrate molecule, other than hydrolysis, leaving double bonds are______.
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.
Enzymes are needed only in small quantities to catalyse reactions because ______
Malonate inhibits the growth of pathogenic bacteria by inhibiting the activity of ______.
