Biology - Catalyst, Bonds, Enzyme Flashcards
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Biology - Catalyst, Bonds, Enzyme Flashcards

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@GlisteningRadon

Questions and Answers

What is a catalyst?

  • A substance that slows down a chemical reaction
  • A byproduct of a chemical reaction
  • A type of enzyme
  • A substance that increases the rate of a chemical reaction without undergoing any permanent change (correct)
  • What is an enzyme?

    A substance produced by a living organism that acts as a catalyst for a biochemical reaction.

    What is activation energy?

    The minimum quantity of energy required for a reaction to occur.

    What is a substrate?

    <p>A substance or layer that underlies something, or on which some process occurs.</p> Signup and view all the answers

    What is the active site of an enzyme?

    <p>A region on an enzyme that binds to a protein or other substance during a reaction.</p> Signup and view all the answers

    Polar molecules have electrical or magnetic polarity.

    <p>True</p> Signup and view all the answers

    What is a hydrogen bond?

    <p>A weak bond between two molecules resulting from an electrostatic attraction between a proton in one molecule and an electron atom in the other.</p> Signup and view all the answers

    Study Notes

    Catalysts and Enzymes

    • A catalyst accelerates chemical reactions without undergoing permanent changes.
    • Enzymes are specialized catalysts produced by living organisms, facilitating specific biochemical reactions.

    Activation Energy

    • Activation energy is the minimum energy required for reactants to initiate a chemical reaction.

    Substrates

    • Substrates are the specific substances on which enzymes act, underpinning the reaction process.

    Active Sites

    • Active sites are specific regions on enzymes where substrates bind, essential for enzyme function and reactivity.

    Polarity

    • Polar substances exhibit electrical or magnetic polarity, influencing interactions at the molecular level.

    Hydrogen Bonds

    • Hydrogen bonds are weak attractions between molecules due to electrostatic interactions between protons and electrons, playing critical roles in molecular structures.

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    Description

    This quiz covers key terms related to catalysts, enzymes, and activation energy in biological processes. Perfect for students who want to strengthen their understanding of these concepts in a straightforward way. Test your knowledge and enhance your learning today!

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