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Ch.16 Amino Acids, Proteins, and Enzymes
Timberlake - Chemistry: An Introduction to General, Organic, and Biological Chemistry 13th Edition
Timberlake13th EditionChemistry: An Introduction to General, Organic, and Biological ChemistryISBN: 9780134421353Non è quello che usi tu?Cambia libro di testo
Capitolo 16, Problema 35b

Match the terms (1) enzyme–substrate complex, (2) enzyme, and (3) substrate with each of the following:
b. the combination of an enzyme with the substrate

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1
Understand the key terms: An enzyme is a biological catalyst that speeds up chemical reactions, a substrate is the molecule upon which the enzyme acts, and the enzyme–substrate complex is the intermediate formed when the enzyme binds to the substrate.
Recognize that the question is asking for the term that describes the combination of an enzyme with the substrate.
Recall that the enzyme–substrate complex specifically refers to the temporary structure formed when the enzyme and substrate are bound together during the reaction process.
Match the term 'enzyme–substrate complex' with the description 'the combination of an enzyme with the substrate.'
Confirm that the other terms (enzyme and substrate) do not describe the combination but rather the individual components involved in the reaction.

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Enzyme

An enzyme is a biological catalyst that accelerates chemical reactions in living organisms. It is typically a protein that lowers the activation energy required for a reaction to occur, thereby increasing the reaction rate. Enzymes are specific to substrates, meaning each enzyme only catalyzes a particular reaction or type of reaction.
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Intro to Enzymes Concept 1

Substrate

A substrate is a molecule upon which an enzyme acts. It binds to the enzyme's active site, forming an enzyme-substrate complex. The interaction between the enzyme and substrate is crucial for the catalytic process, as it allows the enzyme to convert the substrate into products through a series of chemical transformations.
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Enzyme-Substrate Complex Concept 1

Enzyme-Substrate Complex

The enzyme-substrate complex is the transient molecular structure formed when a substrate binds to the active site of an enzyme. This complex is essential for the catalytic activity of the enzyme, as it stabilizes the transition state and facilitates the conversion of the substrate into products. Understanding this complex is key to grasping how enzymes function in biochemical reactions.
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2:32
Enzyme-Substrate Complex Concept 1