Biology Chapter 5 Quiz: Scientific Method & Enzymes
16 Questions
0 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 is the first step in the scientific method?

  • Conclusion
  • Research
  • Hypothesis
  • Observation (correct)

    • What characterizes an effective hypothesis in experimental design?

  • It needs to involve multiple variables.
  • It must be testable and falsifiable. (correct)
  • It must be untestable.
  • It should be overly complex.

    • Which method uses specific examples to formulate a general theory?

  • Analogical reasoning
  • Contradictory reasoning
  • Inductive reasoning (correct)
  • Deductive reasoning

    • What type of group receives no manipulation during an experiment?

    <p>Control group</p> Signup and view all the answers

    What is denaturation in the context of enzymes?

    <p>The alteration of an enzyme's molecular structure</p> Signup and view all the answers

    Which carbohydrate test is used to detect smaller sugars?

    <p>Benedict's Test</p> Signup and view all the answers

    What is the term for a number that appears most frequently in a data set?

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

    What is the role of an emulsifier in a mixture?

    <p>To stabilize and allow mixing of liquids</p> Signup and view all the answers

    What is the main function of an inhibitor in enzyme activity?

    <p>To prevent the enzyme from acting on the substrate</p> Signup and view all the answers

    Which type of inhibitor physically blocks the enzyme's active site?

    <p>Competitive inhibitor</p> Signup and view all the answers

    What is the role of a spectrophotometer in a lab setting?

    <p>To measure light absorbance</p> Signup and view all the answers

    How does temperature generally affect enzyme activity?

    <p>Denatures the enzyme and slows the reaction</p> Signup and view all the answers

    What occurs to cells in a hypertonic solution?

    <p>Cells lose water and may shrivel (crenate)</p> Signup and view all the answers

    What process describes the movement of water through a semi-permeable membrane?

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

    What occurs during plasmolysis?

    <p>Water moves out of the cell</p> Signup and view all the answers

    What defines Brownian motion?

    <p>Random movement of particles due to kinetic energy</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser