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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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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
Briefly outline the classification of enzymes
____________ refers to enzymes that act at a site far away from the site of its synthesis.
Identify the INCORRECT statement regarding mitochondria.
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 |
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-
Glycosidic bonds would be broken under the activity of which enzyme?
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.
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 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.
Enzyme sucrase belongs to which one of the following classes?
In glycolysis, the enzyme dehydrogenase is involved 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______.
