Ch. 3 Cells And Tissues Quiz #1

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  • 1/15 Questions

    The powerhouse of a cell is otherwise known as the:

    • Lysosome
    • Golgi Apparatus
    • Mitochondria
    • Endoplasmic Reticulum
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About This Quiz

Ch. 3 Cells and Tissues Quiz #1 assesses knowledge on key cellular components and processes such as mitochondria, centrioles, osmosis, active transport, pinocytosis, and ion pumps. This quiz is crucial for understanding fundamental cell biology concepts, enhancing skills in identifying and explaining cell functions.

Ch. 3 Cells And Tissues Quiz #1 - Quiz

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  • 2. 

    The uphill movement of a substance through a living cell membrane requiring ATP for energy is called: 

    • Passive Transport

    • Active Transport

    • Diffusion

    • Filltration

    Correct Answer
    A. Active Transport
    Explanation
    Active transport is the correct answer because it involves the movement of a substance against its concentration gradient, from an area of lower concentration to an area of higher concentration. This process requires the use of energy in the form of ATP to transport the substance across the cell membrane. In contrast, passive transport, diffusion, and filtration do not require ATP and involve the movement of substances along their concentration gradients.

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  • 3. 

    The protein factories within a cell are known as:

    • Centrioles

    • Ribosomes

    • Mitochondria

    • Cytoplasm

    Correct Answer
    A. Ribosomes
    Explanation
    Ribosomes are the protein factories within a cell. They are responsible for synthesizing proteins by decoding the information contained in the messenger RNA (mRNA) molecules. Ribosomes can be found in both the cytoplasm and the endoplasmic reticulum of a cell. They play a crucial role in protein synthesis, which is essential for the functioning and survival of the cell. Therefore, ribosomes are the correct answer for this question.

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  • 4. 

    A solution containing a higher level of salt than the cell would be considered to be: 

    • Hydrostatis

    • Hypertonic

    • Hypotonic

    • Isotonic

    Correct Answer
    A. Hypertonic
    Explanation
    A solution containing a higher level of salt than the cell would be considered hypertonic. In a hypertonic solution, there is a higher concentration of solutes outside the cell compared to inside the cell. This causes water to move out of the cell through osmosis, leading to cell shrinkage or dehydration.

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  • 5. 

    Extremely fin, hairlike extensions on an exposed or free surface of some cells is called:

    • Flagella

    • Cilia

    • Granules

    • Lysosomes

    Correct Answer
    A. Cilia
    Explanation
    Cilia are extremely fine, hairlike extensions on the surface of some cells. These structures are responsible for various functions such as moving fluids, facilitating the movement of cells, and sensing the environment. Unlike flagella, which are typically longer and fewer in number, cilia are shorter and more numerous. Granules and lysosomes are not related to the description provided and are not the correct answer.

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  • 6. 

    The chemical processing and packaging center of the cell is known as the:

    • Mitochondria

    • Nucleus

    • Nucleolus

    • Golgi Apparatus

    Correct Answer
    A. Golgi Apparatus
    Explanation
    The Golgi Apparatus is responsible for processing and packaging proteins and lipids in the cell. It receives these molecules from the endoplasmic reticulum and modifies them by adding sugars and other molecules. It then packages them into vesicles and sends them to their final destination within the cell or for secretion outside of the cell. The Golgi Apparatus plays a crucial role in maintaining the cell's homeostasis and ensuring proper functioning of various cellular processes.

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  • 7. 

    Diffusion of water through a selectively permeable membrane in the presence of at least one impermeant soluble is called: 

    • Osmosis

    • Filtration

    • Diffusion

    • Active Transport

    Correct Answer
    A. Osmosis
    Explanation
    Osmosis is the correct answer because it refers to the diffusion of water through a selectively permeable membrane in the presence of at least one impermeant solute. In osmosis, water molecules move from an area of lower solute concentration to an area of higher solute concentration, in an attempt to equalize the solute 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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  • 8. 

    These are paired organelles which lie in right angles to one another and play a role in cell cell division:

    • Vacuoles

    • Lysosomes

    • Centrioles

    • Ribosomes

    Correct Answer
    A. Centrioles
    Explanation
    Paired organelles which lie at right angles to one another playing an important role in cell division.

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  • 9. 

    Osmosis and dialysis are specialized examples of what process?

    • Filtration

    • Diffusion

    • Active Transport

    • Osmolality

    Correct Answer
    A. Diffusion
    Explanation
    Diffusion is the process by which molecules move from an area of higher concentration to an area of lower concentration. Osmosis and dialysis are both examples of diffusion, but they have specific characteristics. Osmosis is the diffusion of water across a selectively permeable membrane, while dialysis is the diffusion of solutes across a selectively permeable membrane. Therefore, the correct answer is diffusion.

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  • 10. 

    Use energy from ATP to move substances across a cell membrane against their concentration gradient, this is called the: 

    • Ion pump

    • Golden Gate

    • Gate Theory

    • Cell Pump

    Correct Answer
    A. Ion pump
    Explanation
    An ion pump is a type of protein found in cell membranes that uses energy from ATP to move ions across the membrane against their concentration gradient. This process is called active transport. By using ATP as an energy source, the ion pump is able to create a concentration gradient that is different from the equilibrium state, allowing for the movement of ions against their natural flow. This is important for many cellular processes, such as maintaining the electrical potential across the cell membrane and regulating the balance of ions inside and outside of the cell.

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  • 11. 

    Small, fingerlike projections from the plasma membrane are called: 

    • Flagella

    • Cilia

    • Microvilli

    • Microtubules

    Correct Answer
    A. Microvilli
    Explanation
    Microvilli are small, fingerlike projections that extend from the plasma membrane of certain cells. They increase the surface area of the cell, allowing for more efficient absorption and secretion. Microvilli are commonly found in cells that are involved in absorption, such as the cells lining the small intestine. They are not to be confused with flagella, which are whip-like structures used for cell movement, or cilia, which are hair-like structures involved in cell movement and the movement of substances across the cell surface. Microtubules, on the other hand, are cylindrical structures that provide support and help with cell division.

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  • 12. 

    Each cell has a certain amount of chromosomes in the nucleus, how many?

    • 26

    • 48

    • 47

    • 46

    Correct Answer
    A. 46
    Explanation
    Each cell in the human body has 46 chromosomes in the nucleus. Chromosomes contain DNA, which carries the genetic information necessary for the development and functioning of the organism. This number is constant for most cells in the body, except for reproductive cells (sperm and egg cells) which have half the number of chromosomes (23) as they combine during fertilization to form a new individual with 46 chromosomes.

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  • 13. 

    Movement of fluid and dissolved molecules into a cell by trapping them in a section of the plasma membrane that pinches off inside the cell is called:

    • Phagocytosis

    • Dialysis

    • Pinocytosis

    • Ion Pump

    Correct Answer
    A. Pinocytosis
    Explanation
    Pinocytosis is the correct answer because it involves the movement of fluid and dissolved molecules into a cell by trapping them in a section of the plasma membrane that pinches off inside the cell. This process allows the cell to take in extracellular fluid and any substances dissolved in it. Unlike phagocytosis, which involves the ingestion of solid particles, pinocytosis is specifically for the intake of liquids and dissolved molecules. Dialysis is a process used to separate solutes from a solution, and an ion pump is a membrane protein that actively transports ions across the cell membrane.

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  • 14. 

    An ion pump is a protein structure in the cell membrane called the: 

    • Receiver

    • Receptor

    • Ion Pumps

    • Carriers

    Correct Answer
    A. Carriers
    Explanation
    Ion pumps are a type of protein structure in the cell membrane that are responsible for transporting ions across the membrane. They are called "carriers" because they bind to specific ions and transport them across the membrane using energy from ATP. Ion pumps play a crucial role in maintaining the balance of ions inside and outside the cell, which is essential for various cellular processes.

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  • 15. 

    Disease can occur as a result of an impaired cell transport process, which of the following are an example of such a condition:

    • Cholera

    • Rheumatoid Arthritis

    • Scoliosis

    • Cancer

    Correct Answer
    A. Cholera
    Explanation
    Cholera is caused by the bacterium Vibrio cholerae, which affects the cell transport process in the intestines. This bacterium produces a toxin that binds to the cells lining the intestine, causing them to release large amounts of water and electrolytes. This leads to severe diarrhea and dehydration. The impaired cell transport process in cholera disrupts the normal balance of fluids and electrolytes in the body, resulting in the disease. Rheumatoid Arthritis, Scoliosis, and Cancer are not directly caused by an impaired cell transport process.

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  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 03, 2014
    Quiz Created by
    Armourjohnson85
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