Cell Metabolism Part 2
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Questions and Answers

Which molecule is an intermediate metabolite in the described pathways?

  • Molecule 4
  • Molecule 6 (correct)
  • Molecule 1
  • Molecule 5
  • Enzyme A catalyzes the transformation of Molecule 3 into Molecule 2.

    False (B)

    What role do enzymes play in metabolic pathways?

    Enzymes catalyze the reactions that transform molecules.

    The sequence of transformations in a metabolic pathway is shown with arrows indicating the _______ of the reactions.

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

    Match the following enzymes with their respective molecules:

    <p>Enzyme A = Molecule 2 Enzyme B = Molecule 3 Enzyme C = Molecule 5 Enzyme D = Molecule 6</p> Signup and view all the answers

    What is the primary purpose of metabolism in cells?

    <p>To meet functional needs such as energy and growth (A)</p> Signup and view all the answers

    Catabolism involves the formation of complex molecules from smaller molecules.

    <p>False (B)</p> Signup and view all the answers

    What role do enzymes play in metabolic reactions?

    <p>Enzymes speed up chemical reactions.</p> Signup and view all the answers

    Acetyl-CoA acts as a ______ between different metabolic pathways.

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

    Match the metabolic processes with their definitions:

    <p>Catabolism = Breakdown of organic matter into smaller molecules Anabolism = Formation of complex molecules from smaller molecules Exogenous molecules = Molecules obtained from outside the cell Endogenous molecules = Molecules produced within the cell</p> Signup and view all the answers

    Quel métabolisme consiste à produire de la matière organique à partir de la matière minérale et de l'énergie?

    <p>Métabolisme autotrophe (A)</p> Signup and view all the answers

    La respiration est la principale voie énergétique pour la production de matière organique par autotrophie.

    <p>False (B)</p> Signup and view all the answers

    Quel est le produit rejeté lors de la respiration cellulaire?

    <p>Dioxyde de carbone</p> Signup and view all the answers

    Le métabolisme autotrophe utilise la ____________ pour produire de la matière organique.

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

    Associez les termes suivants avec leur définition:

    <p>Autotrophie = Production de matière organique à partir de matière minérale Hétérotrophie = Production de matière organique à partir de matière organique Photosynthèse = Processus utilisant la lumière pour produire de l'énergie Respiration = Dégradation du glucose en présence de dioxygène</p> Signup and view all the answers

    Study Notes

    Cell Metabolism pt. 2

    • Diagram shows metabolic pathways with molecules and enzymes.
    • Pathway 1: Molecule 1 → Enzyme A → Molecule 2 → Enzyme B → Molecule 3
    • Pathway 2: Molecule 4 → Enzyme C → Molecule 5 → Molecule 6 → Molecule 7
    • Molecule 6 is an intermediate metabolite.

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    Description

    Explore the intricate pathways of cell metabolism in this quiz. Examine the role of enzymes and molecules in metabolic conversions through detailed diagrams. Test your knowledge on the interactions that drive cellular processes.

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