Cell Biology: Dr. Dipa Sarkar
18 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 one of the key statements made by the cell theory?

  • Cells always function as autonomous units
  • The cell is the smallest unit of life (correct)
  • Living structures are composed of discrete cells
  • Fungi may have filamentous structures called hyphae
  • Which of the following challenges the idea that cells always function as autonomous units?

  • Some fungi have filamentous structures
  • All living things are composed of cells
  • Unicellular algae may grow to large sizes
  • Muscle cells fuse to form fibres with multiple nuclei (correct)
  • What characteristic of fungal hyphae challenges the idea of living structures being composed of discrete cells?

  • Fungi having filamentous structures
  • Cells arising only from pre-existing cells
  • Unicellular algae growing to large sizes
  • Fungi being aseptate with continuous cytoplasm (correct)
  • Which type of algae may grow to very large sizes and present an exception to typical cell sizes?

    <p>Unicellular algae</p> Signup and view all the answers

    In cell biology, what process involves nuclear division to produce two daughter cells?

    <p><strong>Mitosis</strong></p> Signup and view all the answers

    Which statement best summarizes a fundamental concept of cell theory?

    <p><strong>Cells arise only from pre-existing cells</strong></p> Signup and view all the answers

    What is the main difference between prokaryotic and eukaryotic cells?

    <p>Presence of membrane-bound organelles</p> Signup and view all the answers

    Which evolutionary process is believed to have led to the development of eukaryotic cells?

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

    What is a distinctive feature of eukaryotic cells compared to prokaryotic cells?

    <p>Larger ribosomes</p> Signup and view all the answers

    Which statement best describes the main function of organelles in a cell?

    <p>Performing specific roles within the cell</p> Signup and view all the answers

    What is meant by compartmentalization in eukaryotic cells?

    <p>Separation of different cellular functions into specialized areas</p> Signup and view all the answers

    Which mnemonic can help remember differences between prokaryotic and eukaryotic cells?

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

    What cellular component in prokaryotic cells is responsible for polypeptide synthesis?

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

    Which structure in prokaryotic cells is used for protection against desiccation and phagocytosis?

    <p>Cell wall</p> Signup and view all the answers

    How do prokaryotes typically divide?

    <p>Binary fission</p> Signup and view all the answers

    What is the main function of attachment pili in prokaryotic cells?

    <p>Adherence to surfaces</p> Signup and view all the answers

    What is the function of the cytoplasm in prokaryotic cells?

    <p>Internal fluid component of the cell</p> Signup and view all the answers

    Which cellular component maintains the shape of prokaryotic cells and prevents bursting?

    <p>Cell wall</p> Signup and view all the answers

    More Like This

    Cell Biology Quiz: Cell Theory and Types
    10 questions
    Cell Biology Basics
    10 questions

    Cell Biology Basics

    UsableEuphoria avatar
    UsableEuphoria
    Cell Biology: Cell Theory and Types
    10 questions
    Use Quizgecko on...
    Browser
    Browser