Multiple Choice
Which of the following matches is NOT correct regarding the phosphate-transferring enzymes?
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3. Energy & Cell Processes
Enzymes
2:17 minutesProblem 24
Textbook Question
Explain how enzymes function in chemical reactions.
Verified step by step guidance1
Understand that enzymes are biological catalysts that speed up chemical reactions without being consumed in the process.
Recognize that enzymes work by lowering the activation energy required for a reaction to proceed, making it easier for reactants to convert into products.
Identify the active site of the enzyme, which is a specific region where substrate molecules bind, forming an enzyme-substrate complex.
Explain that the enzyme stabilizes the transition state and properly orients the substrates, facilitating the conversion to products.
Note that after the reaction, the products are released from the enzyme, which remains unchanged and ready to catalyze another reaction.
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Video duration:
2mKey Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Enzyme Structure and Active Site
Enzymes are proteins with a specific three-dimensional structure that includes an active site. The active site is where substrates bind, allowing the enzyme to catalyze a chemical reaction by stabilizing the transition state and lowering activation energy.
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Enzyme Activation Energy
Catalysis and Activation Energy
Enzymes speed up chemical reactions by lowering the activation energy required for the reaction to proceed. This makes reactions occur faster without being consumed in the process, enabling biological processes to happen efficiently at normal temperatures.
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Substrate Specificity and Enzyme-Substrate Complex
Enzymes are highly specific to their substrates, binding only certain molecules to form an enzyme-substrate complex. This specificity ensures that enzymes catalyze only particular reactions, which is crucial for regulating metabolic pathways.
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03:49Enzyme-Substrate Complex
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