Advertisements
Advertisements
प्रश्न
Define enzymes.
Advertisements
उत्तर
Enzymes are defined as biocatalysts, produced by the living cells which catalyse many biochemical reactions in animals and plant bodies.
APPEARS IN
संबंधित प्रश्न
Describe the important properties of enzymes.
Protein part of the enzyme is known as ______.
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?
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 ____________.
Prosthetic groups differ from co-enzymes in that-
NADP is ____________.
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 |
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.
What are different classes of enzymes? Explain any two with the type of reaction they catalyse.
Which of the following statement is true for enzymes?
Enzyme sucrase belongs to which one of the following classes?
In glycolysis, the enzyme dehydrogenase is involved 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 ______.
What are enzymes?
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 ______
