Give an account of any four properties of enzymes.
Answers
* IT act as a protein and belong to a class of immunoglobulins
*it acts as a catalyst
* as a protein it can easily be destroyed
* it helps to facilitate a reaction
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Answer:
PROPERTIES OF ENZYMES
(i) Protein nature: Enzymes are generally proteins. They may have additional inorganic or
organic substances for their activity.
(ii) Chemical reaction: Enzymes do not start a chemical reaction but increase the rate of reaction.
They do not change the equilibrium but bring about equilibrium very soon.
(iii) Efficiency: The number of substrate molecules changed per minute by a molecule or enzyme is
called turn over number. The higher the turn-over number, the more efficient an enzyme is.
(iv) Unchanged form: enzymes are in no way transformed or used up in the chemical reaction but
come out unchanged at the end of reaction.
(v) Enzyme specificity: Enzymes are highly specific in their action. For example, enzyme maltase
acts on sugar maltose but not lactose or sucrose.