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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.
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
Which of the following essential elements act as enzyme activators?
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 ____________.
Prosthetic groups differ from co-enzymes in that-
Glycosidic bonds would be broken under the activity of which enzyme?
NADP is ____________.
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 |
What are different classes of enzymes? Explain any two with the type of reaction they catalyse.
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______.
