BMS149 Lecture 08: Enzymes in Physical Therapy
30 Questions
2 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What are the general properties of enzymes?

  • They remain unchanged during a chemical reaction (correct)
  • They are needed in large amounts
  • They are made of carbohydrates
  • They can be either proteins or RNA

    • What is the definition of an enzyme?

  • A substance that reacts with the products of a chemical reaction
  • A substance that remains unchanged in a chemical reaction
  • A substance that increases the rate of a chemical reaction without being changed itself (correct)
  • A substance that decreases the rate of a chemical reaction

    • What do enzymes end in, according to the text?

  • -ase (correct)
  • -ine
  • -ose
  • -ate

    • Which suffix is added to the substrate of the reaction to name an enzyme?

    <p>-ase</p> Signup and view all the answers

    What is a catalyst?

    <p>A substance that increases the rate of a chemical reaction without being changed itself</p> Signup and view all the answers

    Why are enzymes needed in small amounts?

    <p>Because they can be reused multiple times</p> Signup and view all the answers

    What is the role of a coenzyme in enzyme function?

    <p>To transiently associate with the enzyme</p> Signup and view all the answers

    Which class of enzymes catalyze the transfer of electrons or oxygen?

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

    What is the function of hydrolases?

    <p>Catalyze the hydrolysis of a substrate by adding H2O</p> Signup and view all the answers

    What is the role of ligases in enzymatic reactions?

    <p>Catalyze joining of two substrates using ATP as an energy source</p> Signup and view all the answers

    What is the function of isomerases?

    <p>Catalyze geometric or structural changes within the molecule</p> Signup and view all the answers

    How do enzymes accelerate the rate of a reaction?

    <p>By providing an alternate reaction pathway with a lower energy of activation</p> Signup and view all the answers

    What is the active site of an enzyme?

    <p>A pocket formed by folding of the protein, containing amino acid side chains that participate in the reaction</p> Signup and view all the answers

    What does the term 'holoenzyme' refer to?

    <p>The combination of an apoenzyme and its cofactor/coenzyme</p> Signup and view all the answers

    Which term is used to describe a substance that increases the rate of a chemical reaction without being itself changed in the process?

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

    What is the nomenclature rule for naming enzymes?

    <p>Adding suffix (ose) to the substrate of the reaction</p> Signup and view all the answers

    Which property of enzymes distinguishes them from other biological molecules?

    <p>They increase the rate of chemical reactions</p> Signup and view all the answers

    What is the primary composition of enzymes?

    <p>Proteins only</p> Signup and view all the answers

    Which term describes a substance that decreases the rate of a chemical reaction?

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

    What is the purpose of adding suffix (ase) to a word in enzyme nomenclature?

    <p>Describes the action performed by the enzyme</p> Signup and view all the answers

    What is the role of oxidoreductases?

    <p>Catalyze the transfer of electrons or oxygen</p> Signup and view all the answers

    What is the function of isomerases?

    <p>Catalyze structural changes within the molecule</p> Signup and view all the answers

    What is the function of hydrolases?

    <p>Catalyze the hydrolysis of a substrate</p> Signup and view all the answers

    What do ligases catalyze in enzymatic reactions?

    <p>Catalyze joining of two substrates using ATP as an energy source</p> Signup and view all the answers

    What is the active site of an enzyme?

    <p>A special pocket or cleft formed by folding of the protein</p> Signup and view all the answers

    What is a coenzyme associated with enzymes?

    <p>Tightly bound small organic molecule</p> Signup and view all the answers

    What is the effect of an enzyme on the energy barrier in a chemical reaction?

    <p>Lower the free activation energy</p> Signup and view all the answers

    What is a characteristic of lyases in enzymatic reactions?

    <p>Catalyze simple splitting of the substrate without adding water</p> Signup and view all the answers

    What do transferases catalyze in enzymatic reactions?

    <p>The transfer of a chemical group other than hydrogen or oxygen from one substance to another</p> Signup and view all the answers

    What is the purpose of cofactors in enzymatic reactions?

    <p>To aid enzymes by acting as coenzymes or metal ions</p> Signup and view all the answers

    More Like This

    BMS149, LEC08 Enzymes Lecture Quiz
    16 questions

    BMS149, LEC08 Enzymes Lecture Quiz

    UndisputableComet avatar
    UndisputableComet
    Physical Therapy Chart Review Flashcards
    16 questions

    Physical Therapy Chart Review Flashcards

    BeneficentHonor6192 avatar
    BeneficentHonor6192
    Physical Therapy Vocabulary in Spanish
    30 questions

    Physical Therapy Vocabulary in Spanish

    AudibleFresno2256 avatar
    AudibleFresno2256
    Fundamental Physical Therapy Terms
    44 questions

    Fundamental Physical Therapy Terms

    VirtuousConflict avatar
    VirtuousConflict
    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser