describe characteristics of enzymes???
Answers
Answer:
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Explanation:
Characteristic of enzymes.
Enzymes are biological catalysts. They speed up reactions although they are not changed in the reaction. Enzymes are proteins, and therefore are folded chains of amino acids with a specific shape. This shape is determined by the sequence of amino acids held together by bonds, for example Hydrogen bonds. Enzymes speed up reactions by bringing reactants together and reducing the activation energy required to start the reaction (enzymatic reaction).
Enzymes are specific: they have a specific shape, therefore only a certain substrate will fit its active site. There are two theories of enzyme action: Lock and Key and Induced Fit. The lock and key theory states that only a certain substrate will fit a certain active site, just like a key fits a lock. Induced Fit, likewise, states that enzymes wrap around substrates, attracted to each other by opposite charges, forming an enzyme substrate complex.
Answer:
Explanation:
Enzymes:
Enzymes are the most important group of proteins which are biologically active.
Thy tremendously increase the efficiency of a biochemical reaction.
Characteristics:
- All enzymes are globular proteins.
- They increase the rate of reaction without themselves being used up.
- Their presence does not affect the nature or properties of end products
- Small amounts of enzyme can accelerate chemical reactions.
- All enzymes are specific in nature.
- They lower the activation energy of the reactions.
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