Cell Organelles Checkup
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Questions and Answers

What is the function of the endoplasmic reticulum in a cell?

  • Energy production
  • Transporting substances throughout the cell (correct)
  • Digesting food and cell debris
  • Packaging and distributing substances
  • Why does the rough endoplasmic reticulum appear bumpy?

  • It is filled with genetic material
  • It is the site of energy production
  • It contains lysosomes
  • It is covered with ribosomes (correct)
  • Where are chromosomes found in a cell?

  • Endoplasmic reticulum
  • Ribosomes
  • Nucleus (correct)
  • Mitochondria
  • Which organelle is known as the powerhouse of the cell?

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

    What is the function of lysosomes in a cell?

    <p>Digesting food and cell debris</p> Signup and view all the answers

    Why are lysosomes called 'suicide sacs'?

    <p>Because they digest and destroy the cell if they malfunction</p> Signup and view all the answers

    Which organelle is responsible for packaging and distributing substances in the cell?

    <p>Golgi bodies</p> Signup and view all the answers

    Where is ATP produced in a cell?

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

    What is the function of the cell membrane in a cell?

    <p>Control the movement of substances into and out of the cell</p> Signup and view all the answers

    Why are organelles often referred to as the 'little organs' of the cell?

    <p>Because they are metabolic machines where cell activities occur</p> Signup and view all the answers

    Which organelle is considered the control center or brain of the cell?

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

    Where are most cellular activities taking place within a cell?

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

    What is the primary function of the nucleus in a cell?

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

    What do organelles of a cell have in common with organs in the human body?

    <p>Both perform specific functions to maintain overall cell or body function</p> Signup and view all the answers

    What distinguishes organelles from each other within a cell?

    <p>Function and structure</p> Signup and view all the answers

    Study Notes

    Cellular Organelles and Their Functions

    • The endoplasmic reticulum (ER) is a type of organelle responsible for synthesizing proteins and lipids, and transporting them to other parts of the cell.

    Endoplasmic Reticulum

    • The rough endoplasmic reticulum appears bumpy due to the presence of ribosomes attached to its surface.

    Chromosomes

    • Chromosomes are found in the nucleus of a cell.

    Mitochondria

    • Mitochondria are known as the powerhouse of the cell, responsible for generating most of the cell's energy in the form of ATP (adenosine triphosphate).

    Lysosomes

    • Lysosomes are membrane-bound organelles that contain digestive enzymes and are responsible for breaking down and recycling cellular waste and foreign substances.
    • Lysosomes are called 'suicide sacs' because they can self-destruct by releasing their digestive enzymes to break down the cell's own components if needed.

    Golgi Apparatus

    • The Golgi apparatus is an organelle responsible for packaging and distributing substances within the cell.

    ATP Production

    • ATP is produced in the mitochondria of a cell.

    Cell Membrane

    • The cell membrane, also known as the plasma membrane, is a thin layer of lipid and protein molecules that surrounds the cell and regulates the movement of materials in and out of the cell.

    Organelles

    • Organelles are often referred to as the 'little organs' of the cell because they perform specific functions, similar to how organs perform specific functions in the human body.
    • The nucleus is considered the control center or brain of the cell, where most cellular activities take place.
    • The primary function of the nucleus is to store and protect the cell's genetic material, DNA.

    Nucleus

    • The nucleus is the control center of the cell, where most cellular activities take place.

    Comparison to Human Body Organs

    • Organelles of a cell have in common with organs in the human body that they perform specific functions necessary for the survival of the cell or organism.

    Distinctive Features of Organelles

    • What distinguishes organelles from each other within a cell is their unique structure and function.

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    Description

    Join Joe, a human cell, on his visit to the cell doctor for a checkup. Explore the examination of Joe's outer covering, the cell membrane, and learn about its functions and importance in the cell.

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