Biochemistry Enzyme Quiz
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Questions and Answers

What is the general characteristic of enzymes?

  • They are inorganic compounds that act as catalysts for biochemical reactions.
  • They are organic compounds that act as catalysts for biochemical reactions. (correct)
  • They are primarily composed of RNA.
  • They decrease reaction rates.

    • What is the etymological origin of the word 'enzyme'?

  • From the Arabic words enz (inside) and yam (activation)
  • From the Sanskrit words ena (inside) and zym (enzyme)
  • From the Greek words en (in) and zyme (yeast) (correct)
  • From the Latin words en (within) and zyma (fermentation)

    • What is the range by which enzymes increase reaction rates?

  • From 10^6 to 10^7
  • From 10^9 to 10^10 (correct)
  • From 10^0 to 10^1
  • From 10^3 to 10^4

    • What are the primary components of enzymes?

    <p>Mostly proteins, with some composed of RNA (D)</p> Signup and view all the answers

    What is the role of enzymes in biochemical reactions?

    <p>To act as catalysts (D)</p> Signup and view all the answers

    Study Notes

    Enzymes Characteristics

    • Enzymes are biological molecules that catalyze chemical reactions, increasing reaction rates and enabling biochemical reactions to occur at feasible rates.
    • Enzymes are highly specific, meaning they only catalyze one specific reaction or a small group of related reactions.

    Etymology of Enzymes

    • The word 'enzyme' originates from the Greek words "en" meaning "in" and "zyme" meaning "leaven" or "yeast", as yeast was the first enzyme to be discovered.

    Reaction Rate Increase

    • Enzymes can increase reaction rates by a factor of 10^6 to 10^12, allowing biochemical reactions to occur at a rapid pace.

    Enzyme Components

    • Enzymes are primarily composed of proteins, which provide the structural framework for catalysis.
    • Some enzymes may also contain additional components, such as cofactors or coenzymes, which assist in the catalytic process.

    Role of Enzymes

    • Enzymes play a crucial role in biochemical reactions, enabling the breakdown and synthesis of molecules essential for life processes.
    • Enzymes ensure that biochemical reactions occur efficiently and accurately, allowing cells to maintain homeostasis and perform various functions.

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    Description

    Test your knowledge of enzymes in biochemistry with this quiz covering enzyme classification, factors influencing enzyme activity, mechanisms of enzyme action, and the medical uses of enzymes. Designed for students studying biochemistry and related fields.

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