Cell Wall vs Cell Membrane Quiz
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Questions and Answers

Which organelle is responsible for synthesizing lipids and forming channels to transport newly synthesized products in the cell?

  • Leucoplast
  • Smooth Endoplasmic Reticulum (correct)
  • Ribosomes
  • Mitochondria
  • Where does most protein synthesis occur in a cell?

  • Endoplasmic Reticulum (correct)
  • Mitochondria
  • Lysosomes
  • Vacuoles
  • Which organelle contains digestive enzymes and is responsible for hydrolyzing macromolecules into monomers?

  • Leucoplast
  • Lysosomes (correct)
  • Vacuoles
  • Golgi Apparatus
  • What term is used to describe organelles that help in the synthesis of proteins and are often referred to as the cell's 'protein factories'?

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

    In plant cells, which organelle is responsible for storing nutrients like protein, oils, and water?

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

    What is the main function of the cell wall?

    <p>Facilitate free passage of materials in and out of the cell</p> Signup and view all the answers

    Which organelle is responsible for controlling all activities of the cell?

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

    What is the function of plastids in a cell?

    <p>Perform photosynthesis</p> Signup and view all the answers

    Which organelle is described as a tough, rigid layer surrounding some types of cells?

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

    What is the function of chromoplasts in a cell?

    <p>Synthesize and store pigments</p> Signup and view all the answers

    Study Notes

    Cell Wall

    • A tough, rigid layer that surrounds some types of cells
    • Provides rigidity, tensile strength, structural support, protection against mechanical stress and infection
    • Contains plasmodesmata for free passage of materials in and out of the cell

    Cell Membrane

    • Found in all plant and animal cells
    • Controls movement of substances in and out of the cell
    • Supports and protects the cell, covering all internal organelles

    Nucleus

    • Found in all eukaryotic organisms, located at the center of the cell
    • Controls all cell activities
    • Contains the hereditary material of the cell

    Cytoplasm

    • A thick, clear, jelly-like substance inside the cell membrane

    Plastids

    • Site of manufacture and storage of important chemical compounds
    • Contain pigments used in photosynthesis, affecting cell color

    Types of Plastids

    • Chloroplasts: Found only in plant cells, site of photosynthesis
    • Chromoplasts: Responsible for pigment synthesis and storage, giving colors to flowers and fruits
    • Leucoplasts: Colorless, non-pigmented organelles

    Mitochondria

    • "Powerhouse of the cell", generating most of the cell's ATP supply
    • Main site of cellular respiration

    Endoplasmic Reticulum (ER)

    • Network of membranes and flattened sacs in the cytoplasm
    • Two types: Rough ER (with ribosomes) and Smooth ER (without ribosomes)
    • Rough ER: Site of most protein synthesis in the cell
    • Smooth ER: Synthesizes lipids, forms transport channels, and stores synthesized materials

    Ribosomes

    • Organelles facilitating protein synthesis
    • Called the cell's 'protein factories'

    Lysosomes

    • Originate from the Golgi apparatus
    • Contain digestive enzymes, break down macromolecules into monomers

    Golgi Apparatus

    • Also known as Golgi complex or Golgi body
    • Processes, sorts, and modifies proteins

    Vacuoles

    • Fluid-filled membranous sacs, found in plant cells and unicellular animals
    • Store nutrients like proteins, oils, and water
    • Plant cells have large central vacuoles, animal cells have small temporary vacuoles

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    Description

    Test your knowledge on cell wall and cell membrane with this quiz. Learn about the functions and characteristics of these two important cell structures.

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