Cell Structure and Tissue Types Quiz
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Questions and Answers

Which type of energy is associated with the movement of an object or a change in the physical structure of matter?

  • Potential energy
  • Kinetic energy (correct)
  • Chemical energy
  • Thermal energy

    • What is the role of enzymes in chemical reactions?

  • To convert energy from one form to another
  • To create energy
  • To lower activation energy (correct)
  • To increase activation energy

    • Which type of reaction absorbs more energy than is released?

  • Endergonic reaction (correct)
  • Exergonic reaction
  • Chemical reaction
  • Thermodynamic reaction

    • What is the most important substance in the body?

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

    What is the function of water in chemical reactions of living systems?

    <p>To act as a solvent</p> Signup and view all the answers

    Which property of water allows it to absorb and release heat without changing temperature quickly?

    <p>High heat capacity</p> Signup and view all the answers

    What type of substances are easily dissolved in water?

    <p>Hydrophilic substances</p> Signup and view all the answers

    What is the capacity to perform work called?

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

    What is the amount of energy required to start a reaction called?

    <p>Activation energy</p> Signup and view all the answers

    What do exergonic reactions release?

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

    Which organelle is responsible for manufacturing proteins in a cell?

    <p>Endoplasmic reticulum</p> Signup and view all the answers

    What is the function of microvilli?

    <p>Increase the surface area of the plasma membrane</p> Signup and view all the answers

    What is the role of cilia in a cell?

    <p>Increase cell movement</p> Signup and view all the answers

    What is the function of the plasma membrane?

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

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

    <p>Store genetic material</p> Signup and view all the answers

    What are the different types of transport processes in a cell?

    <p>Diffusion, osmosis, active transport, and endocytosis</p> Signup and view all the answers

    What is the role of enzymes in catalyzing reactions?

    <p>Change shape temporarily</p> Signup and view all the answers

    What determines the osmotic flow in a solution?

    <p>The tonicity of the solution</p> Signup and view all the answers

    What is the function of mitochondria in a cell?

    <p>Provide energy through energy-producing reactions</p> Signup and view all the answers

    What are the four major tissue types in the body?

    <p>Epithelial, connective, muscle, and nervous</p> Signup and view all the answers

    What type of energy is associated with the movement of an object or a change in the physical structure of matter?

    <p>Kinetic energy</p> Signup and view all the answers

    What is the most important substance in the body?

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

    What is the function of enzymes in chemical reactions?

    <p>To decrease activation energy</p> Signup and view all the answers

    Which type of reaction absorbs more energy than is released?

    <p>Endergonic reaction</p> Signup and view all the answers

    What are the different types of transport processes in a cell?

    <p>Active and passive transport</p> Signup and view all the answers

    What determines the osmotic flow in a solution?

    <p>Concentration gradient</p> Signup and view all the answers

    What is the role of cilia in a cell?

    <p>To increase surface area for absorption</p> Signup and view all the answers

    What is the function of mitochondria in a cell?

    <p>To generate ATP</p> Signup and view all the answers

    What is the function of the plasma membrane?

    <p>To regulate the passage of substances in and out of the cell</p> Signup and view all the answers

    What is the capacity to perform work called?

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

    Which of the following is NOT a transport process in a cell?

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

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

    <p>Synthesis of proteins</p> Signup and view all the answers

    Which type of solution has the same concentration of solutes as the cell?

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

    What is the role of ribosomes in a cell?

    <p>Protein synthesis</p> Signup and view all the answers

    Which of the following is NOT a major tissue type in the body?

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

    What is the role of microvilli in a cell?

    <p>Absorption of materials</p> Signup and view all the answers

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

    <p>Protection and regulation of substances</p> Signup and view all the answers

    What is the role of the nucleus in a cell?

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

    What is the primary function of mitochondria in a cell?

    <p>Energy production</p> Signup and view all the answers

    Which type of tumor spreads through invasion and metastasis?

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

    Study Notes

    Cell Structure and Tissue Types

    • Enzymes catalyze reactions by binding substrates to their active sites, temporarily changing shape.
    • Plasma membrane is extremely thin (6nm - 10nm) and composed of lipids, proteins, and carbohydrates.
    • Transport processes include diffusion, osmosis, facilitated diffusion, active transport, endocytosis, and exocytosis.
    • Osmotic flow depends on the tonicity of the solution: isotonic, hypotonic, or hypertonic.
    • The nucleus is the control center of the cell, surrounded by a double membrane and contains nuclear pores.
    • Microvilli increase the surface area of the plasma membrane, found on cells that absorb materials.
    • Cilia are long extensions of the plasma membrane, used for movement or sensing.
    • Ribosomes manufacture proteins and exist as free or fixed types.
    • Endoplasmic reticulum is a network of intracellular membranes with functions like synthesis, storage, transport, and detoxification.
    • Mitochondria provide energy for the cell through energy-producing reactions.
    • Tumors can be benign or malignant, with the latter spreading through invasion and metastasis.
    • Cellular differentiation occurs when specific genes are turned off, resulting in specialized cells and tissues.
    • Epithelial, connective, muscle, and nervous tissues are the four major tissue types in the body, each with specific characteristics and functions.

    Cell Structure and Tissue Types

    • Enzymes catalyze reactions by binding substrates to their active sites, temporarily changing shape.
    • Plasma membrane is extremely thin (6nm - 10nm) and composed of lipids, proteins, and carbohydrates.
    • Transport processes include diffusion, osmosis, facilitated diffusion, active transport, endocytosis, and exocytosis.
    • Osmotic flow depends on the tonicity of the solution: isotonic, hypotonic, or hypertonic.
    • The nucleus is the control center of the cell, surrounded by a double membrane and contains nuclear pores.
    • Microvilli increase the surface area of the plasma membrane, found on cells that absorb materials.
    • Cilia are long extensions of the plasma membrane, used for movement or sensing.
    • Ribosomes manufacture proteins and exist as free or fixed types.
    • Endoplasmic reticulum is a network of intracellular membranes with functions like synthesis, storage, transport, and detoxification.
    • Mitochondria provide energy for the cell through energy-producing reactions.
    • Tumors can be benign or malignant, with the latter spreading through invasion and metastasis.
    • Cellular differentiation occurs when specific genes are turned off, resulting in specialized cells and tissues.
    • Epithelial, connective, muscle, and nervous tissues are the four major tissue types in the body, each with specific characteristics and functions.

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    Description

    Test your knowledge on cell structure and tissue types with this quiz! Learn about enzymes, plasma membranes, transport processes, the nucleus, microvilli, cilia, ribosomes, endoplasmic reticulum, mitochondria, tumors, cellular differentiation, and the four major tissue types in the body.

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