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6. Enzymes                                             eLearn.Punjab

Short Questions
•	 Define cofactor and coenzyme.
•	 What is the main use of enzymes in paper industry?

          Activation energy  THE TERMS TO KNOW                  Lipase
               Active site                             Lock-and-key model
                Amylase                 Coenzyme
               Anabolism                  Cofactor          Metabolism
                                                               Product
        Biocatalyst, Enzyme           Denaturation
              Catabolism               Optimum pH            Saturation
                 Catalyst        Optimum temperature          Substrate
                                   Enzyme-substrate
Initiating And Planning

•	 Draw graphs showing the effects of temperature, pH, and concentration of substrate on the rate
   of enzyme-catalyzed reactions.

•	 Illustrate through a diagram, the lowering of activation energy by enzyme.

Activities
1. Perform experiment to show the in-vitro working (in test tube) of pepsin on meat.
2. Perform experiment to show the in-vitro working (in test tube) of amylase on starch.

Science, Technology And Society
1. List the uses of enzymes in different industries.

ON-LINE LEARNING
en.wikipedia.org/wiki/Enzyme
www.biology-online.org/dictionary/Enzyme
encarta.msn.com/encyclopedia_761575875/enzyme.html
www.brooklyn.cuny.edu/bc/ahp/BioWeb/

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