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Which of the following is FALSE regardin...

Which of the following is FALSE regarding lock and key concept of enzyme catalysis?

A

An enzyme molecule has one or more active sites at which a specific substrate (reactant) molecules fits.

B

The active site acts like a lock.

C

The product acts acts as a key.

D

The active site returns to its original state after the products are released.

Text Solution

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The correct Answer is:
C
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TARGET PUBLICATION-SURFACE CHEMISTRY-Critical Thinking
  1. Acid catalyzed hydrolysis of ethyl acetate by water is an example of .

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  2. Haber's process is an example of .

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  3. Which of the following statements is INCORRECT?

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  4. Catalytic converters in automobiles are poisoned by

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  5. The products of the following reaction are , respectively. i. C(2)H(...

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  6. Which of the following is FALSE regarding lock and key concept of enzy...

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  7. Enzyme hexokinase catalyzes the .

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  8. Which of the following forms a colloidal solution in water?

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  9. Which of the following statements is FALSE for a lyophobic sol?

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  10. Which of the following statements is INCORRECT?

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  11. Which of the following is not a group of macromolecular colloids?

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  12. Brownian motion shown by colloidal particle is its property :-

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  13. The charge on colloidal particles is due to the .

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  14. Addition of AgNO(3) solution to an excess of dilute NaI solution resul...

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  15. the electrical charge on a colloidal particle is indicated by :

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  16. Ferric hydroxide sol is positively charged colloid. The coagulating po...

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  17. When two oppositely charged sols are mixed, .

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  18. In case of oil in water emulsion, which of the following is NOT true?

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  19. Nanomaterials .

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  20. Modified quantum dot nanoparticles .

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