Question
Asked Mar 2, 2020
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a) How do enzymes catalyze (increase the rate of) reactions? b) What does it mean that
enzymes are “substrate specific”? c) How are they usually name
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Expert Answer

Step 1

Enzymes are essential biological molecules that accelerate (catalyzes) a chemical reaction without being altered or consumed. Most enzymes are proteins, while others are made of RNA.

Step 2

a. Enzymes increase the rate of reaction by lowering the "activation energy". Activation energy can be defined as the amount of energy required for a chemical reaction to start. The enzyme brings reactants (substrates) together so that less energy is required for the reaction to proceed. Therefore, enzyme-catalyzed reactions occur much faster than they do without an enzyme.

Step 3

b. Enzymes are substrates specific. This means that certain enzymes can react with certain substrates only. The key to this specificity lies in the shape of the enzyme’s active site. The active site is the ...

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