Inquiry 3: Concluding and Evaluating Skills
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Questions and Answers

What is the main role of enzymes in living organisms?

  • Storing genetic information
  • Providing structural support
  • Increasing the rate of chemical reactions (correct)
  • Transporting oxygen
  • Why is water considered essential for life?

  • It is a source of energy
  • It provides a stable medium for life processes (correct)
  • It is needed for cellular respiration
  • It is a structural component of cells
  • What type of bond within water molecules leads to cohesion?

  • Hydrogen bonds (correct)
  • Ionic bonds
  • Van der Waals forces
  • Covalent bonds
  • How do enzymes influence chemical reactions?

    <p>By increasing their rate (A)</p> Signup and view all the answers

    What consequence does the polar covalent bond within water molecules have?

    <p>Results in the cohesion of water molecules (C)</p> Signup and view all the answers

    Which feature of water makes it suitable as a habitat for living organisms?

    <p>Cohesion due to hydrogen bonding (D)</p> Signup and view all the answers

    What property of the surface of a liquid allows it to resist an external force?

    <p>Surface tension (D)</p> Signup and view all the answers

    What is the force by which individual molecules of the same type attract and associate?

    <p>Cohesion (C)</p> Signup and view all the answers

    What type of bonding causes water molecules to stick together?

    <p>Hydrogen bonding (C)</p> Signup and view all the answers

    Which property of water allows it to be drawn up xylem vessels in plants by the evaporative loss of water from leaves?

    <p>Surface tension (A)</p> Signup and view all the answers

    Why can water be drawn up to a great height without breaking or pulling apart?

    <p>Strong cohesive properties (C)</p> Signup and view all the answers

    What force causes water to collect in drops?

    <p>Surface tension (A)</p> Signup and view all the answers

    Which term describes the force by which individual molecules stick to surrounding materials and surfaces?

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

    What is the term for materials and substances with an affinity for water?

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

    In what structures of plant stems can water be drawn up long columns due to adhesion?

    <p>Xylem vessels (A)</p> Signup and view all the answers

    Which characteristic of water is extremely important for processes needed to sustain life?

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

    Which property of water enables it to form hydrogen bonds readily with other molecules?

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

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