Biomolecules Three Dimensional Structure Quiz
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Questions and Answers

What is the main role of covalent bonds in biological structures?

  • Facilitating biomolecular interactions
  • Determining the binding pockets in proteins
  • Providing energy for metabolic reactions
  • Maintaining 3D structures (correct)

    • Which element, in addition to carbon, is commonly found in biomolecules?

  • Calcium (Ca)
  • Nitrogen (N) (correct)
  • Zinc (Zn)
  • Sodium (Na)

    • How does ATP serve as the chemical currency of energy?

  • By forming weak forces to stabilize biomolecular interactions
  • By facilitating metabolic reactions within cells (correct)
  • By directly producing energy from sunlight
  • By maintaining the 3D structure of proteins

    • Which type of carbon-based molecule can have linear, cyclic, branched, and planar structures?

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

    In living systems, where does the energy required to maintain life primarily come from?

    <p>Energy transformations within cells</p> Signup and view all the answers

    Which of the following is NOT an essential element for life, besides carbon?

    <p>Magnesium (Mg)</p> Signup and view all the answers

    What is the central role of a carbon atom in biomolecules?

    <p>Acting as a structural component</p> Signup and view all the answers

    Which statement accurately describes the 3D structure of macromolecules?

    <p>Allows macromolecules to interact with other molecules</p> Signup and view all the answers

    What distinguishes anabolism from catabolism?

    <p>Anabolism is exergonic, while catabolism is endergonic.</p> Signup and view all the answers

    Why is the spatial separation of energy-yielding and energy-consuming reactions important in eukaryotic cells?

    <p>To maintain homeostasis and avoid equilibrium</p> Signup and view all the answers

    Which statement best describes the role of metabolism in living organisms?

    <p>Metabolism involves all chemical reactions that occur in cells</p> Signup and view all the answers

    Which characteristic defines living matter according to the text?

    <p>Extraction and use of energy for building structures and performing work</p> Signup and view all the answers

    Which of the following is NOT an inorganic precursor converted to metabolites in living systems?

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

    What are the major constituents of cells according to the text?

    <p>Carbohydrates, lipids, proteins, and nucleic acids</p> Signup and view all the answers

    What is the function of macromolecules in cells?

    <p>Serve as building blocks for biosynthesis</p> Signup and view all the answers

    Which organelles are involved in synthesis reactions (anabolism) within a cell?

    <p>Endoplasmic reticulum and Golgi apparatus</p> Signup and view all the answers

    What is the significance of the three-dimensional structure of molecules?

    <p>Influences the molecule's function</p> Signup and view all the answers

    What do macromolecules primarily consist of?

    <p>Polymers made of covalently connected monomers</p> Signup and view all the answers

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