CR Biology A M2L2
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Questions and Answers

What are the two general types of cells based on DNA storage?

  • Photosynthetic and Non-Photosynthetic
  • Prokaryotic and Eukaryotic (correct)
  • Bacterial and Viral
  • Animal and Plant

    • Which of the following is a characteristic of eukaryotic cells?

  • Can only be found in unicellular organisms
  • Always smaller than prokaryotic cells
  • Always lack organelles
  • Contain a nucleus (correct)

    • Which organelle is responsible for providing energy to eukaryotic cells?

  • Mitochondria (correct)
  • Chloroplast
  • Ribosome
  • Nucleus

    • How do eukaryotic cells differ from prokaryotic cells?

    <p>Eukaryotic cells have more specialized structures</p> Signup and view all the answers

    Which statement accurately describes prokaryotic cells?

    <p>They are unicellular and do not have a defined nucleus.</p> Signup and view all the answers

    Which of the following organisms is composed of eukaryotic cells?

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

    Ribosomes are crucial for what function in both prokaryotic and eukaryotic cells?

    <p>Making proteins</p> Signup and view all the answers

    Which organelle is not found in prokaryotic cells?

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

    What is the basic structure of a cell likened to in the analogy given?

    <p>A plastic bag full of Jell-O</p> Signup and view all the answers

    Which of the following statements is false regarding eukaryotic cells?

    <p>They lack a defined nucleus.</p> Signup and view all the answers

    All cells are categorized into three types: prokaryotic, eukaryotic, and bacterial.

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

    Eukaryotic cells are generally smaller than prokaryotic cells.

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

    The nucleus of a eukaryotic cell is responsible for storing the cell's DNA.

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

    Organisms composed of eukaryotic cells include bacteria and fungi.

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

    Ribosomes are present in both eukaryotic and prokaryotic cells for protein synthesis.

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

    Prokaryotic cells do not have a nucleus.

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

    Mitochondria are found exclusively in prokaryotic cells.

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

    Vacuoles are organelles that store substances within eukaryotic cells.

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

    Eukaryotic cells have less cell specificity compared to prokaryotic cells.

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

    The cytoplasm is a jelly-like substance that fills the eukaryotic cell membrane.

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

    Match the following types of cells with their characteristics:

    <p>Prokaryotic cells = Usually smaller Eukaryotic cells = Found in multicellular organisms</p> Signup and view all the answers

    Match the following organelles with their primary functions:

    <p>Mitochondria = Provide energy to the cell Vacuoles = Store substances in the cell Ribosomes = Synthesize proteins Nucleus = Protect DNA</p> Signup and view all the answers

    Match the following groups with their respective cell types:

    <p>Fungi = Eukaryotic cells Bacteria = Prokaryotic cells Plants = Eukaryotic cells Archaea = Prokaryotic cells</p> Signup and view all the answers

    Match the following terms with their definitions:

    <p>Eukaryotes = Organisms with eukaryotic cells Prokaryotes = Organisms with prokaryotic cells Cell membrane = Structure that encloses the cell Cytoplasm = Gel-like substance within the cell</p> Signup and view all the answers

    Match the following descriptions with the correct cell type:

    <p>Eukaryotic cells = Larger than prokaryotic cells Prokaryotic cells = Single-celled organisms</p> Signup and view all the answers

    Match the following cellular structures with their functions:

    <p>Nucleus = Stores most of the cell's DNA Ribosomes = Where proteins are made Vacuoles = Store various substances Mitochondria = Powerhouse of the cell</p> Signup and view all the answers

    Match the following cellular comparisons:

    <p>Eukaryotic cells = Organized into multicellular organisms Prokaryotic cells = Do not contain organelles</p> Signup and view all the answers

    Match the following terms with their cell type:

    <p>Eukaryotic cells = Cells in plants and animals Prokaryotic cells = Cells without membrane-bound organelles</p> Signup and view all the answers

    Match the following characteristics with the appropriate organelles:

    <p>Ribosomes = Protein synthesis Mitochondria = Adenosine triphosphate (ATP) production Vacuoles = Storage of nutrients and waste Nucleus = Regulates gene expression</p> Signup and view all the answers

    Study Notes

    Types of Cells

    • There are two general types of cells: prokaryotic and eukaryotic, distinguished by the presence of a nucleus and how DNA is stored.
    • All cells except bacteria are classified as eukaryotic cells, while bacterial cells fall under prokaryotic cells.

    Eukaryotic Cells

    • Eukaryotic cells contain a nucleus that protects and houses most of the cell's DNA.
    • Typically larger than prokaryotic cells, eukaryotic cells are primarily found in multicellular organisms.
    • Organisms composed of eukaryotic cells are called eukaryotes, which include fungi, animals, protists, and plants.
    • Eukaryotic cells have various organelles that perform specific functions, enhancing their ability to carry out numerous activities compared to prokaryotic cells.
    • Mitochondria in eukaryotic cells provide energy, while vacuoles store substances.
    • Ribosomes, responsible for protein production, are present in both eukaryotic and prokaryotic cells.

    Prokaryotic Cells

    • Prokaryotic cells lack a nucleus; their DNA is located in the cytoplasm without a nuclear membrane.
    • Found in single-celled organisms, such as bacteria, prokaryotic cells are termed prokaryotes.
    • Prokaryotes were the first type of organisms to evolve and remain the most abundant on Earth.

    Types of Cells

    • There are two general types of cells: prokaryotic and eukaryotic, distinguished by the presence of a nucleus and how DNA is stored.
    • All cells except bacteria are classified as eukaryotic cells, while bacterial cells fall under prokaryotic cells.

    Eukaryotic Cells

    • Eukaryotic cells contain a nucleus that protects and houses most of the cell's DNA.
    • Typically larger than prokaryotic cells, eukaryotic cells are primarily found in multicellular organisms.
    • Organisms composed of eukaryotic cells are called eukaryotes, which include fungi, animals, protists, and plants.
    • Eukaryotic cells have various organelles that perform specific functions, enhancing their ability to carry out numerous activities compared to prokaryotic cells.
    • Mitochondria in eukaryotic cells provide energy, while vacuoles store substances.
    • Ribosomes, responsible for protein production, are present in both eukaryotic and prokaryotic cells.

    Prokaryotic Cells

    • Prokaryotic cells lack a nucleus; their DNA is located in the cytoplasm without a nuclear membrane.
    • Found in single-celled organisms, such as bacteria, prokaryotic cells are termed prokaryotes.
    • Prokaryotes were the first type of organisms to evolve and remain the most abundant on Earth.

    Types of Cells

    • There are two general types of cells: prokaryotic and eukaryotic, distinguished by the presence of a nucleus and how DNA is stored.
    • All cells except bacteria are classified as eukaryotic cells, while bacterial cells fall under prokaryotic cells.

    Eukaryotic Cells

    • Eukaryotic cells contain a nucleus that protects and houses most of the cell's DNA.
    • Typically larger than prokaryotic cells, eukaryotic cells are primarily found in multicellular organisms.
    • Organisms composed of eukaryotic cells are called eukaryotes, which include fungi, animals, protists, and plants.
    • Eukaryotic cells have various organelles that perform specific functions, enhancing their ability to carry out numerous activities compared to prokaryotic cells.
    • Mitochondria in eukaryotic cells provide energy, while vacuoles store substances.
    • Ribosomes, responsible for protein production, are present in both eukaryotic and prokaryotic cells.

    Prokaryotic Cells

    • Prokaryotic cells lack a nucleus; their DNA is located in the cytoplasm without a nuclear membrane.
    • Found in single-celled organisms, such as bacteria, prokaryotic cells are termed prokaryotes.
    • Prokaryotes were the first type of organisms to evolve and remain the most abundant on Earth.

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    Description

    This quiz explores the various types of cells, including blood, skin, bone cells, and bacteria. Participants will identify differences between bacterial and other cells, understanding the general categories they fall into. Test your knowledge about cell structure and classification.

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