Cell Theory and Cell Types
12 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

What is the primary function of the channel protein in the fluid mosaic model of the cell membrane?

  • To synthesize cholesterol
  • To transport water-soluble molecules via diffusion (correct)
  • To regulate the temperature of the cell
  • To provide structural support to the cell membrane
  • What is the advantage of having a higher surface area to volume ratio in cells?

  • It allows for more efficient cellular respiration
  • It enables the cell to coordinate activities more effectively
  • It makes the cell more efficient in terms of material transport (correct)
  • It increases the cell's ability to move materials
  • What is the term for the process by which water moves from an area of high concentration to an area of low concentration across a semi-permeable membrane?

  • Active transport
  • Osmosis (correct)
  • Passive transport
  • Diffusion
  • What is a characteristic of all cells, according to cell theory?

    <p>They come from pre-existing cells</p> Signup and view all the answers

    What is the primary function of the transmission electron microscope (TEM) in cell biology?

    <p>To pass electrons through a sample to make an image</p> Signup and view all the answers

    What is the main difference between Archaebacteria and Eubacteria?

    <p>Archaebacteria live in extreme environments</p> Signup and view all the answers

    What is the role of phospholipids in the fluid mosaic model of the cell membrane?

    <p>To make up the bilayer of the cell membrane</p> Signup and view all the answers

    What is a characteristic of prokaryotic cells?

    <p>They have a singular, circular chromosome of DNA</p> Signup and view all the answers

    What is the term for the ability of the cell membrane to control what enters and leaves the cell?

    <p>Selective permeability</p> Signup and view all the answers

    What is the function of the large central vacuole in plant cells?

    <p>Waste disposal and storage</p> Signup and view all the answers

    What is a characteristic of animal cells?

    <p>They have lysosomes</p> Signup and view all the answers

    What is the main difference between Gram positive and Gram negative bacteria?

    <p>Gram positive bacteria have a thicker peptidoglycan layer</p> Signup and view all the answers

    More Like This

    The Ultimate Cell Theory Quiz
    36 questions
    Cell Biology and Vocabulary Quiz
    12 questions
    Cell Biology and Discoveries
    16 questions
    Células: Unidad de la Vida y Teoría Celular
    40 questions
    Use Quizgecko on...
    Browser
    Browser