Cell Theory and Basic Concepts
15 Questions
1 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

Which type of cell is encased by a cell wall and lacks organelles?

  • Unicellular cell
  • Prokaryotic cell (correct)
  • Multicellular cell
  • Eukaryotic cell

    • What is the main difference between prokaryotic and eukaryotic cells?

  • Number of linear chromosomes
  • Size of the cell
  • Presence of a nucleus (correct)
  • Presence of membrane-bound organelles

    • How many linear chromosomes do eukaryotic cells typically have?

  • None
  • Variable
  • Single
  • Multiple (correct)

    • What is the function of organelles in a eukaryotic cell?

    <p>Break down food particles</p> Signup and view all the answers

    Which statement is true about unicellular organisms?

    <p>They are all microscopic</p> Signup and view all the answers

    What are the three main principles of cell theory?

    <ol> <li>All organisms are composed of one or more cells. 2. The cell is the basic unit of structure and organization in organisms. 3. All cells come from pre-existing cells.</li> </ol> Signup and view all the answers

    What characteristic distinguishes eukaryotic cells from prokaryotic cells in terms of genetic material?

    <p>Linear chromosomes</p> Signup and view all the answers

    Describe the difference between unicellular and multicellular organisms.

    <p>Unicellular organisms are single-celled, while multicellular organisms contain many different types of cells, each with specialized functions.</p> Signup and view all the answers

    Explain the role of a nucleus in eukaryotic cells.

    <p>The nucleus is a membrane-bound central cavity that houses the cell's genetic material.</p> Signup and view all the answers

    What are the key features of prokaryotic cells?

    <p>Prokaryotic cells are much smaller than eukaryotic cells, lack a nucleus, and do not have membrane-bound organelles.</p> Signup and view all the answers

    How do organelles in eukaryotic cells contribute to cellular function?

    <p>Organelles, like the organs of our body, have unique functions that contribute to the overall function of the cell.</p> Signup and view all the answers

    What distinguishes eukaryotic cells from prokaryotic cells in terms of genetic material?

    <p>Eukaryotic cells have multiple linear chromosomes, while prokaryotic cells have a single circular chromosome.</p> Signup and view all the answers

    What is the function of the cell wall in prokaryotic cells?

    <p>The cell wall provides structural support and protection to prokaryotic cells.</p> Signup and view all the answers

    Why are most cells considered microscopic and not visible to the naked eye?

    <p>Most cells are microscopic due to their small size, which is below the resolution of the naked eye.</p> Signup and view all the answers

    What are the two domains to which prokaryotic cells belong?

    <p>Prokaryotic cells belong to the domains Bacteria and Archaea.</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser