Cells And Cellular Structure

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  • 1/14 Questions

    The term that describes the cytosol and all organelles expect the nucleus is

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About This Quiz

This quiz will examine students knowledge of different types of cells, cellular structures of prokaryotic and eukaryotic cells as well as idenfying images seen under a light compound microscope.

Cell Biology Quizzes & Trivia

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  • 2. 

    What is the diffusion of water called?

    • Simple diffusion

    • Active transport

    • Osmosis

    • Facilitated diffusion

    Correct Answer
    A. Osmosis
    Explanation
    Osmosis is the correct answer because it refers to the diffusion of water across a selectively permeable membrane. In osmosis, water molecules move from an area of lower solute concentration to an area of higher solute concentration, in order to equalize the concentration on both sides of the membrane. This process is important for maintaining the balance of water and solutes in cells and is essential for various biological processes.

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  • 3. 

    A bulk movement of material into the cell is called?

    • Exocytosis

    • Osmosis

    • Diffusion

    • Endocytosis

    Correct Answer
    A. Endocytosis
    Explanation
    Endocytosis is the process by which cells take in materials from the external environment by engulfing them with their cell membrane. This bulk movement of material into the cell allows the cell to bring in large molecules, particles, or even entire cells. It is a form of active transport that requires energy. Exocytosis, on the other hand, is the opposite process where materials are expelled from the cell. Osmosis is the movement of water molecules across a selectively permeable membrane, and diffusion is the movement of molecules from an area of high concentration to an area of low concentration.

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  • 4. 

    Choose the definition that best describes the cell theory.

    • Cells are the functional unit of life.

    • All cells, except bacteria, come from pre-existing cells.

    • All living things are composed of cells and all cells come from spontaneous generation

    • All living things are composed of cells and all cells come from pre-existing cells

    Correct Answer
    A. All living things are composed of cells and all cells come from pre-existing cells
    Explanation
    The cell theory states that all living things are composed of cells and that all cells come from pre-existing cells. This means that cells are the building blocks of life and that new cells are formed through cell division. This theory was proposed by scientists Schleiden and Schwann in the 19th century and has since been widely accepted in the field of biology.

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  • 5. 

    Which scientist examined thin slices of cork under a microscope and called the box like compartments he observed as cells?

    • Anton van Leeuwenhoek

    • Matthias Schleiden

    • Robert Hooke

    • Rudolf Virchow

    Correct Answer
    A. Robert Hooke
    Explanation
    Robert Hooke examined thin slices of cork under a microscope and observed box-like compartments, which he called cells. This discovery was significant because it was the first time that cells were observed and described, leading to the development of the cell theory. The cell theory states that all living organisms are composed of cells, cells are the basic unit of structure and function in living organisms, and cells come from pre-existing cells. Hooke's observation of cells in cork was a crucial step in the advancement of our understanding of the microscopic world and the fundamental building blocks of life.

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  • 6. 

    What type of cell is the following? Why

    • Eukaryotic as it contains the ribosomes and a cellular membrane

    • Eukaryotic as it is capable of movement via flagellum

    • Eukaryotic as it contains many membrane bound organelles

    • Prokaryotic as it does not contain a nucleus and other membrane bound organelles

    Correct Answer
    A. Prokaryotic as it does not contain a nucleus and other membrane bound organelles
    Explanation
    The correct answer is Prokaryotic as it does not contain a nucleus and other membrane-bound organelles. This is because prokaryotic cells are characterized by the absence of a nucleus and other membrane-bound organelles. They have a simple structure and their genetic material is not enclosed within a membrane-bound nucleus. Instead, their DNA is located in the cytoplasm. Prokaryotic cells are typically smaller and simpler compared to eukaryotic cells, which have a nucleus and various membrane-bound organelles.

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  • 7. 

    Respectively, what is the function of the nucleus, mitochondria, choloroplasts, cell membrane and golgi apparatus?

    • Contains instructions that code for proteins, releases energy via an aerobic pathway, harnesses sunlight to convert inorganic carbon dioxide molecules into sugargs, controls the movement of substances into and out of the cell, and packages proteins for export

    • Contains instructions that code for proteins, harnesses sunlight to convert inorganic carbon dioxide molecules into sugargs, releases energy via an aerobic pathwaycontrols the movement of substances into and out of the cell and packages proteins for export

    • Packages proteins for export, contains instructions that code for proteins, harnesses sunlight to convert inorganic carbon dioxide molecules into sugargs, releases energy via an aerobic pathwaycontrols the movement of substances into and out of the cell

    • Contains instructions that code for proteins, harnesses sunlight to convert inorganic carbon dioxide molecules into sugargs, releases energy via an aerobic pathway, controls the movement of substances into and out of the cell and is a site for manufacturing proteins

    Correct Answer
    A. Contains instructions that code for proteins, releases energy via an aerobic pathway, harnesses sunlight to convert inorganic carbon dioxide molecules into sugargs, controls the movement of substances into and out of the cell, and packages proteins for export
    Explanation
    The correct answer is that the nucleus contains instructions that code for proteins, the mitochondria releases energy via an aerobic pathway, the chloroplasts harness sunlight to convert inorganic carbon dioxide molecules into sugars, the cell membrane controls the movement of substances into and out of the cell, and the Golgi apparatus packages proteins for export.

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  • 8. 

    Which of the following would enter the cell via facilitated diffusion?

    • Oxygen

    • Glucose

    • Amino Acids

    • B and C

    • None of the above

    Correct Answer
    A. B and C
    Explanation
    Glucose and amino acids would enter the cell via facilitated diffusion. Facilitated diffusion is a passive transport process that uses protein channels or carriers to move molecules across the cell membrane. Both glucose and amino acids are large molecules that cannot freely diffuse across the membrane, so they require the assistance of specific transport proteins to enter the cell. Oxygen, on the other hand, is a small molecule that can easily diffuse across the membrane through simple diffusion, without the need for protein channels or carriers. Therefore, the correct answer is B and C.

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  • 9. 

    What is this experiment called, who devised and conducted this experiment and what theory did it disprove?

    • Break neck, Theodor Schwann, The Cell Theory

    • Swan neck flask, Louis Pasteur, Spontaneous Generation

    • Swan neck flask, Sir Isaac Newton, Spontaneous Generation

    • Swan neck flask, Louis van Leeuwenhoek, Spontaneous Generation

    Correct Answer
    A. Swan neck flask, Louis Pasteur, Spontaneous Generation
    Explanation
    The experiment described is known as the Swan neck flask experiment. It was devised and conducted by Louis Pasteur. This experiment disproved the theory of Spontaneous Generation.

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  • 10. 

    Which of the following cells would not contain a cell membrane?

    • Onion cell

    • Bacterial

    • Amoeba

    • Paramecium

    • None of the above

    Correct Answer
    A. None of the above
    Explanation
    All living cells, including onion cells, bacteria, amoeba, and paramecium, have a cell membrane. The cell membrane is a thin, flexible barrier that surrounds the cell and separates its internal environment from the external environment. It controls the movement of substances in and out of the cell, maintaining homeostasis. Therefore, all the given options would contain a cell membrane, making the correct answer "None of the above."

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  • 11. 

    Which of the following substance(s) are able to enter the plasma membrane without assistance?

    • Water

    • Amino acids

    • Carbon Dioxide

    • Ethanal

    • A, C and D

    Correct Answer
    A. A, C and D
    Explanation
    Water, carbon dioxide, and ethanal are able to enter the plasma membrane without assistance because they are small molecules that can pass through the lipid bilayer via simple diffusion. Amino acids, on the other hand, are larger molecules and require assistance from membrane transport proteins to cross the plasma membrane.

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  • 12. 

    When using a light compound light microscope to focus on an image you are to start with the                  objective lens with the               all the way up and then focus        .

    Correct Answer
    lowest down
    stage
    down
    Explanation
    To focus on an image using a light compound light microscope, you should start with the lowest objective lens magnification. This allows for a wider field of view and easier focusing. Once the image is roughly in focus, you can then adjust the focus by moving the stage up or down until the image becomes clear and sharp.

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  • 13. 

    Which of the following substances would be lipophilic?

    • Sodium ions

    • Water

    • Chloride ions

    • Alcohol

    Correct Answer
    A. Alcohol
    Explanation
    Alcohol would be lipophilic because lipophilic substances have an affinity for lipids or fats. Alcohol is a small molecule with a hydrophobic (non-polar) region, which allows it to dissolve in and interact with lipid membranes. This property makes alcohol easily permeable through cell membranes and enables it to dissolve in lipid-rich environments, such as the lipid bilayer of cells. In contrast, sodium ions, water, and chloride ions are hydrophilic and have an affinity for water, making them less likely to dissolve in lipids.

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  • 14. 

    What function do sugar groups connected to proteins on the cell membrane serve?

    • Energy resource

    • Cell Identification

    • Facilitated diffusion

    • None of the above

    Correct Answer
    A. Cell Identification
    Explanation
    Sugar groups connected to proteins on the cell membrane serve the function of cell identification. These sugar groups, also known as glycoproteins, act as markers that help the immune system recognize and distinguish between self and non-self cells. They play a crucial role in cell-cell communication and signaling, allowing cells to interact with each other and with their environment. Additionally, these sugar groups can also be involved in various cellular processes such as cell adhesion and cell signaling pathways. Therefore, the correct answer is Cell Identification.

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  • Current Version
  • Mar 19, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Feb 09, 2009
    Quiz Created by
    Stucks10
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