What are Enzymes? - Definition & Explanation


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Enzymes are:

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1. An enzyme's characteristic shape is ultimately determined by:

2. Noncompetitive inhibition of an enzyme occurs when:

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About This Quiz & Worksheet

Enzymes perform important functions within living cells, and this quiz and worksheet will assist you in gaining a deeper understanding of these functions. Some vocabulary terms and topics you will be tested on include the definition of catalysts, and the difference between reactants and products.

Quiz & Worksheet Goals

Use this interactive quiz to assess your knowledge of the following terms and topics:

  • Enzyme definition
  • The shape of enzymes
  • Noncompetitive inhibition of enzymes
  • Catalysts
  • The relationship of coenzymes and cofactors

Skills Practiced

Be prepared to utilize the following skills:

  • Making connections- use your understanding of the structure and function of enzymes as they relate to chemical reactions
  • Critical thinking- use the acquired knowledge to look at chemical reactions differently
  • Defining key concepts- ensure that you can accurately define main phrases, such as catalyst

Additional Learning

To learn more about enzymes and chemical reactions, review the corresponding lesson entitled What are Enzymes? - Definition & Explanation. This lesson covers the following objectives:

  • The definition of enzymes
  • Structure and function of enzymes
  • Cofactors and coenzymes
  • Energy of activation
  • Regulation of enzymatic activity
  • The nomenclature of enzymes