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Which of the following statements is not correct?
- a)All enzymes found in cells are invariably proteins, which catalyse biological reactions.
- b)Enzymes are not specific in their action on substrates.
- c)Enzymes act efficiently at a moderate temperature and pH.
- d)Coenzymes increase the activities of enzymes.
Correct answer is option 'B'. Can you explain this answer?
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Which of the following statements is not correct?a)All enzymes found i...
Enzyme Specificity
Enzymes are highly specific in their action on substrates. This means that each enzyme catalyzes a specific reaction with a specific substrate. The specificity of enzymes is due to the unique arrangement of amino acids in the active site of the enzyme, which allows only certain substrates to bind and react.
Factors Affecting Enzyme Activity
Enzymes act efficiently at a moderate temperature and pH. Extreme temperatures or pH levels can denature enzymes, leading to a loss of their catalytic activity. Therefore, maintaining optimal temperature and pH conditions is crucial for the proper functioning of enzymes.
Coenzymes and Enzyme Activity
Coenzymes are organic molecules that bind to enzymes and help them carry out their catalytic function. They often participate in reactions by donating or accepting electrons or functional groups. Coenzymes can increase the activities of enzymes by assisting in the catalytic reaction.
Therefore, the statement "Enzymes are not specific in their action on substrates" is not correct. Enzymes exhibit high specificity towards their substrates, which is essential for the regulation of biological processes in cells.
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Which of the following statements is not correct?a)All enzymes found i...
Enzymes are highly specific in their action on substrates. Each enzyme has a specific substrate or group of substrates with which it interacts and catalyses a particular chemical reaction. This specificity is due to the precise three-dimensional structure of the enzyme's active site, which complements the shape and chemical properties of the substrate.
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Which of the following statements is not correct?a)All enzymes found in cells are invariably proteins, which catalyse biological reactions.b)Enzymes are not specific in their action on substrates.c)Enzymes act efficiently at a moderate temperature and pH.d)Coenzymes increase the activities of enzymes.Correct answer is option 'B'. Can you explain this answer?
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