Home
Class 12
BIOLOGY
Which of the following statements about ...

Which of the following statements about enzymes are correct ?
(i) Enzymes do not alter the overall change in free energy for a reaction.
(ii) Enzymes are proteins whose three dimensional energy.
(iii) Enzymes speed up reactions by lowering activation energy.
(iv) Enzymes are highly specific for reactions.
(v) The energy input needed to start a chemical reaction is called activation energy.

A

(i) and (v)

B

(ii) and (iv)

C

(i), (ii) and (iv)

D

All of these

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • BIOMOLECULES

    MOTION|Exercise EXERCISE - 2|21 Videos

  • BIOMOLECULES

    MOTION|Exercise EXERCISE - 3|23 Videos

  • BIOMOLECULES

    MOTION|Exercise EXERCISE 1 (INORGANIC SUBSTANCES IN CELLS)|10 Videos

  • BIOLOGICAL CLASSIFICATION

    MOTION|Exercise CHECK YOUR CONCEPTS-4|13 Videos

  • BIOTECHNOLOGY : PRINCIPLES AND PROCESSES

    MOTION|Exercise EXERCISE -4|46 Videos

Similar Questions

Explore conceptually related problems

An enzyme catalyses a reaction by activation energy of the reaction .

Enzymes catalyse the biochemical reactions by ____ the activation energy.

Which of the following reactions has Zero activation energy?

Which of the following statement is correct about the mechanism of an enzyme-catallysed reaction?

Which one of the following statements about enzymes is true ? 1. Enzymes are proteins whose shape does not help in their functions. 2. Enzymes lower the reaction rate by lowering the activation energy 3. Enzymes do not show a high specificity during biological reactions. 4. Enzyme activity is affected by the change in temperature and pH

The enzyme catalysed reaction is faster than metal catalysed reaction because its activation energy is

Show reactions requires less activation energy as compared to fast reactions. Do you agree with the statement?

MOTION-BIOMOLECULES-EXERCISE 1 (CARBOHYDRATES, FATS, PROTEINS,ENZYMES)
  1. Which sugar occurs only in mammals ?

    Text Solution

    |

  2. Carotenoids composed of units

    Text Solution

    |

  3. Sugar which ocurs in haemolymph of insects

    Text Solution

    |

  4. Which sugar does not give benedict test?

    Text Solution

    |

  5. Amylose and amylopectin chains occur in

    Text Solution

    |

  6. Which of the following does not contain metAL

    Text Solution

    |

  7. Which protein is found in maximum amount ?

    Text Solution

    |

  8. Refer the given reaction. C12 H22 O11 + H2O overset(Enzyme)(to) 2C6H...

    Text Solution

    |

  9. Which of the following statements is incorrect regarding enzymatic act...

    Text Solution

    |

  10. Enzymes that catalyse removal of groups from substrates by mechanisms ...

    Text Solution

    |

  11. Enzymes catalyse the biochemical reactions by the activation energy.

    Text Solution

    |

  12. Feedback inhibition of an enzyme is influenced by

    Text Solution

    |

  13. Michaelis Menten Constant (K(m)) is equal to

    Text Solution

    |

  14. inhibition of succinate dehydrogenase by malonate is an example of

    Text Solution

    |

  15. Holoenzyme is the complete enzyme consisting of an apoenzyme and a cof...

    Text Solution

    |

  16. The proteinaceous molecule that joins a non-protein prosthetic group t...

    Text Solution

    |

  17. The inhibitor which closely resembles the substrate in its molecular s...

    Text Solution

    |

  18. Enzymes are most fuctional at the temperature range of

    Text Solution

    |

  19. Which of the following statements about enzymes are correct ? (i) En...

    Text Solution

    |

  20. Which of the following is an example of isozyme ?

    Text Solution

    |