Cell Membrane Flashcards
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Questions and Answers

What is the function of a cell wall?

  • Controls what enters and exits the cell
  • A ridged outer layer of a plant cell (correct)
  • Produces energy
  • Stores food and water

    • What is cytoplasm?

    Gel-like fluid where the organelles are found

    What is the primary function of mitochondria?

    Produces the energy a cell needs to carry out its functions

    What do lysosomes do?

    <p>Break down food and worn out cell parts using chemicals</p> Signup and view all the answers

    What is the function of vacuoles?

    <p>Stores food, water, wastes, and other materials</p> Signup and view all the answers

    What is the role of Golgi bodies?

    <p>Receives proteins and materials from the ER, packages them, and distributes them</p> Signup and view all the answers

    What do chloroplasts do?

    <p>Captures energy from sunlight and uses it to produce food in plant cells</p> Signup and view all the answers

    What is the function of the endoplasmic reticulum?

    <p>Carries proteins and other materials from one part of the cell to another</p> Signup and view all the answers

    What do ribosomes do?

    <p>Assembles amino acids to create proteins</p> Signup and view all the answers

    What is the nucleus?

    <p>Control center of the cell; contains DNA</p> Signup and view all the answers

    What does the nucleolus do?

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

    What is chromatin?

    <p>Tiny strands inside the nucleus that contain the instructions for directing the cell's functions</p> Signup and view all the answers

    Study Notes

    Cell Wall

    • A rigid outer layer found exclusively in plant cells.
    • Provides structural support and protection.

    Cytoplasm

    • A gel-like fluid residing within the cell membrane.
    • Serves as the medium where organelles are suspended and metabolic activities occur.

    Mitochondria

    • Known as the powerhouse of the cell.
    • Generates adenosine triphosphate (ATP), the energy currency for various cellular functions.

    Lysosomes

    • Organelles that contain digestive enzymes.
    • Responsible for breaking down food, cellular debris, and worn-out organelles.

    Vacuoles

    • Storage sacs in the cell that hold food, water, waste products, and other materials.
    • Larger in plant cells, aiding in maintaining internal pressure.

    Golgi Bodies

    • Function as the cell's packaging and distribution center.
    • Receives proteins and materials from the endoplasmic reticulum (ER), modifies them, and sends them to their destination.

    Chloroplasts

    • Unique to plant cells, these organelles capture sunlight.
    • Utilize solar energy to synthesize food through photosynthesis.

    Endoplasmic Reticulum (ER)

    • Network of membranes that assist in transporting proteins and other materials.
    • Two types: rough ER (with ribosomes) and smooth ER (without ribosomes), serving different functions in the cell.

    Ribosomes

    • Molecular machines that assemble amino acids into proteins.
    • Can be found freely floating in the cytoplasm or attached to the rough ER.

    Nucleus

    • The control center of the cell; houses genetic material (DNA).
    • Regulates cellular activities by controlling gene expression.

    Nucleolus

    • Located within the nucleus, plays a crucial role in ribosome production.
    • Composed of proteins and RNA, facilitating the assembly of ribosomes.

    Chromatin

    • Consists of DNA strands that are tightly coiled and stored within the nucleus.
    • Contains genetic information essential for directing cellular functions and heredity.

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    Description

    This quiz features flashcards related to the cell membrane and its components. Key concepts such as the cell wall, cytoplasm, mitochondria, and lysosomes are covered. Ideal for students looking to enhance their understanding of cell biology.

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