One More Time O,M,D And O

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  • 1/22 Questions

    1. According to the Cell Theory cells are the ________    ________ of life. 

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About This Quiz

Explore key cellular functions and processes in the 'One More Time O,M,D and O' quiz. It covers topics like cell membrane functions, DNA storage, osmosis, cell theory, and mitosis, assessing understanding of fundamental biological concepts.

One More Time O,M,D And O - Quiz

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  • 2. 

    According to the cell theory, all cells come from ______________ cells. 

    Explanation
    According to the cell theory, all cells come from preexisting or pre-existing cells. This principle states that cells are the fundamental units of life and that all living organisms are composed of cells. The theory also proposes that cells can only arise from preexisting cells through cell division. This concept has been supported by numerous scientific observations and experiments, providing evidence for the continuity of life and the importance of cell reproduction.

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  • 3. 

    What part of the cell is responsible for storing DNA and is the control center of the cell?

    • Cell Wall

    • Cytoplasm

    • Mitochondria

    • Nucleus

    Correct Answer
    A. Nucleus
    Explanation
    The correct answer is the nucleus. The nucleus is responsible for storing DNA and is considered the control center of the cell. It contains the genetic material of the cell and regulates all cellular activities by controlling gene expression. The nucleus also plays a vital role in cell division and the transmission of genetic information to new cells.

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  • 4. 

    One of the three parts of the cell theory is?

    • All organisms have a total of 48 cells

    • All organisms consist of one or more cells

    • Cells arise from dead animal cells

    Correct Answer
    A. All organisms consist of one or more cells
    Explanation
    The correct answer is "All organisms consist of one or more cells." This is one of the three parts of the cell theory, which states that all living organisms are composed of cells. This theory was proposed by Matthias Schleiden and Theodor Schwann in the 19th century and is a fundamental concept in biology. It suggests that cells are the basic units of structure and function in all living things, and that all cells come from pre-existing cells through cell division.

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  • 5. 

    Mitosis occurs when cellsl are _________  and __________ reproducing. 

    • Dividing and sexually

    • Dividing and asexually

    • Conjoining and asexually

    • Dying and sexually

    Correct Answer
    A. Dividing and asexually
    Explanation
    Mitosis is a type of cell division that occurs in order to create new cells. It is a form of asexual reproduction where one cell divides into two identical daughter cells. This process is important for growth, repair, and maintenance of the body. Therefore, the correct answer is "dividing and asexually".

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  • 6. 

    If the concentration level inside a cell (the egg)  is 20% salt water and the outside concentration is 40% salt water  the cell (egg) will gain in mass.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    When the concentration level inside a cell is lower than the outside concentration, the cell will gain mass through osmosis. In this case, the cell (egg) has a concentration of 20% salt water inside and the outside concentration is 40% salt water. Since the outside concentration is higher, water molecules will move from the outside to the inside of the cell, causing it to gain mass. Therefore, the statement "the cell (egg) will gain in mass" is true.

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  • 7. 

    The Golgi Apparatus (Complex) is responsible for the following function in a cell?

    • Building proteins.

    • Packaging and distributing proteins.

    • Producing enzymes to materials in the cell.

    • Containing the DNA of the cell.

    Correct Answer
    A. Packaging and distributing proteins.
    Explanation
    The Golgi Apparatus (Complex) is responsible for packaging and distributing proteins within a cell. It receives proteins from the endoplasmic reticulum and modifies them, adding necessary molecules to make them functional. The Golgi Apparatus then packages the proteins into vesicles and sends them to their appropriate destinations within the cell or for secretion outside of the cell. This process ensures that proteins are properly sorted and delivered to their intended locations, allowing for the efficient functioning of the cell.

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  • 8. 

    Which cell organelles are found only in plants?

    • Cell Membrane, Lysosomes and Chloroplasts

    • Ribosomes, Mitochondria and Chloroplasts

    • Cell Wall, Chloroplasts and Vacuoles

    • Cell Membrane, Ribosomes and Golgi Complex

    Correct Answer
    A. Cell Wall, Chloroplasts and Vacuoles
    Explanation
    Cell Wall, Chloroplasts, and Vacuoles are cell organelles found only in plants. The cell wall is a rigid structure that provides support and protection to plant cells. Chloroplasts are responsible for photosynthesis, converting sunlight into energy. Vacuoles are large fluid-filled sacs that store water, nutrients, and waste products. These organelles are unique to plants and are not found in animal cells.

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  • 9. 

    This organelle is referred to as the suicide sac and produces enzymes which digest material in the cell. 

    • Lysosomes

    • Ribosomes

    • Vacuoles

    • Mitochondria

    Correct Answer
    A. Lysosomes
    Explanation
    Lysosomes are organelles that contain enzymes responsible for breaking down waste materials in the cell. They are often referred to as the "suicide sac" because if they were to burst or leak, the enzymes inside would destroy the cell. Lysosomes play a crucial role in maintaining cellular homeostasis by digesting cellular debris, old organelles, and foreign substances that enter the cell. Therefore, lysosomes are the correct answer to this question.

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  • 10. 

    In Osmosis, water concentration levels always follow from _______ to _______.

    • Low to high

    • High to low

    • Low to low

    • None of the above

    Correct Answer
    A. High to low
    Explanation
    In osmosis, water molecules move from an area of high concentration to an area of low concentration. This is because water molecules tend to move towards areas with a lower concentration of solutes in order to equalize the concentration on both sides of a membrane. Therefore, the correct answer is "High to low."

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  • 11. 
    What stage of mitosis is this cell undergoing? - ProProfs

    What stage of mitosis is this cell undergoing?

    • Prophase

    • Anaphase

    • Telophase

    • Metaphase

    Correct Answer
    A. Telophase
    Explanation
    Telophase is the stage of mitosis where the chromosomes have reached the opposite poles of the cell and are starting to decondense. The nuclear membrane begins to reform around the separated chromosomes, and the spindle fibers start to disappear. This is the final stage of mitosis before the cell divides into two daughter cells.

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  • 12. 

    This part of the cell stores water and nutrients for plants. 

    • Lysosomes

    • ATP

    • Mitochondria

    • Vacuole

    Correct Answer
    A. Vacuole
    Explanation
    The vacuole is a part of the cell that stores water and nutrients for plants. It acts as a storage compartment, holding various substances such as water, ions, sugars, and pigments. The vacuole also helps maintain the cell's turgor pressure, which is important for plant cell structure and support. Additionally, it plays a role in detoxification and waste disposal within the cell. Therefore, the vacuole is responsible for storing essential substances and maintaining the overall health and functioning of the plant cell.

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  • 13. 
    What stage of mitosis is this cell undergoing? - ProProfs

    What stage of mitosis is this cell undergoing?

    • Prophase

    • Anaphase

    • Metaphase

    • Telophase

    Correct Answer
    A. Metaphase
    Explanation
    In metaphase, the chromosomes align themselves along the equatorial plane of the cell. This alignment is crucial for the equal distribution of genetic material during cell division. The cell in the question is undergoing metaphase because the chromosomes are clearly seen aligned in the center of the cell, indicating that they are at the metaphase plate.

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  • 14. 

    This part of the cell is responsible for allowing material in and out of the cell. 

    • Cell Membrane

    • Cytoplasm

    • Mitochondria

    • Lysosomes

    Correct Answer
    A. Cell Membrane
    Explanation
    The cell membrane is responsible for allowing materials to enter and exit the cell. It acts as a barrier, controlling the movement of substances in and out of the cell. It is composed of a phospholipid bilayer with embedded proteins that help facilitate the transport of molecules. The cell membrane is crucial for maintaining homeostasis and regulating the internal environment of the cell.

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  • 15. 

    In diffusion and osmosis concentration levels always go from small to large. 

    • True

    • False

    Correct Answer
    A. False
    Explanation
    In diffusion and osmosis, concentration levels do not always go from small to large. Instead, they can go from an area of high concentration to an area of low concentration. This is because the process of diffusion and osmosis involves the movement of particles or solvent molecules from an area of higher concentration to an area of lower concentration, in order to achieve equilibrium. Therefore, the correct answer is false.

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  • 16. 

    The mitochondria is responsible for what function in the cell?

    • To allow fluid inside and outside of the cell.

    • To remove toxins from the body.

    • Production of proteins in a cell.

    • To provide energy for the cell through ATP.

    Correct Answer
    A. To provide energy for the cell through ATP.
    Explanation
    The mitochondria is responsible for providing energy for the cell through ATP. Mitochondria are often referred to as the powerhouse of the cell because they generate the majority of the cell's energy. They carry out cellular respiration, a process that converts nutrients into ATP, the molecule that cells use as a source of energy. Without mitochondria, cells would not be able to produce enough energy to carry out their functions, and the cell's overall metabolism would be severely impaired.

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  • 17. 
    What stage of mitosis is this cell undergoing? - ProProfs

    What stage of mitosis is this cell undergoing?

    • Metaphase

    • Anaphase

    • Prophase

    • Telophase

    Correct Answer
    A. Anaphase
    Explanation
    The correct answer is Anaphase. Anaphase is the stage of mitosis in which the sister chromatids separate and move towards opposite poles of the cell. This can be identified by the visible separation of the duplicated chromosomes and the movement of the chromatids towards the poles.

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  • 18. 
    What stage of mitosis is this cell undergoing? - ProProfs

    What stage of mitosis is this cell undergoing?

    • Prophase

    • Anaphase

    • Metaphase

    • Cytokinesis

    Correct Answer
    A. Prophase
    Explanation
    The correct answer is Prophase. Prophase is the first stage of mitosis where the chromosomes condense and become visible. In this stage, the nuclear membrane starts to break down, and the spindle fibers begin to form. The cell in the given question is undergoing prophase because it is showing condensed chromosomes and the breakdown of the nuclear membrane.

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  • 19. 

    Diffusion involves only water and not any other materials. 

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Diffusion is not limited to only water but can occur with other materials as well. Diffusion is the process by which particles move from an area of higher concentration to an area of lower concentration. This can happen with various substances, including gases, liquids, and solids. Therefore, the statement that diffusion involves only water and not any other materials is incorrect.

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  • 20. 

    On a separate piece of paperUsing the ACES format analyze how the process of diffusion an osmosis occurred using the egg model as a cell. 

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  • Current Version
  • Mar 20, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Sep 23, 2014
    Quiz Created by
    Kendra
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