Cell Biology Quiz: Microfilaments, Microtubules, and Active Transport
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Questions and Answers

Which of the following is a characteristic of both microfilaments and microtubules?

  • They are non-polarized
  • They are involved in cellular movement (correct)
  • They are only found in the nucleus
  • They are composed of globular proteins
  • Which type of transport is an example of secondary active transport?

  • Passive transport
  • Facilitated diffusion
  • Osmosis
  • The movement of glucose into cells by the Na+/glucose symporter (correct)
  • What is the main function of the Golgi apparatus in the process of protein synthesis?

  • To synthesize proteins
  • To breakdown proteins
  • To modify and package proteins for export (correct)
  • To transport proteins to the ribosome
  • During which process do electrons travel downhill in a sequence?

    <p>Aerobic respiration</p> Signup and view all the answers

    What is the direction of movement of molecular motors along microfilaments?

    <p>In both the -ve and +ve direction</p> Signup and view all the answers

    What is the sequence of structures that a protein will pass through if it is being modified and packaged for export out of the cell?

    <p>Rough ER; vesicle; Golgi apparatus; vesicle</p> Signup and view all the answers

    What is a characteristic of eukaryotic cells that is not found in prokaryotic cells?

    <p>Internal membrane-bound compartments</p> Signup and view all the answers

    Which of the following is true for both mitochondria and chloroplasts?

    <p>They contain internal membranes</p> Signup and view all the answers

    Where are carbohydrates typically found on the plasma membrane?

    <p>Extracellular surface</p> Signup and view all the answers

    What can be inferred about a cell that has a large amount of rough ER, Golgi complexes, and vesicles?

    <p>The cell is synthesizing and modifying proteins for export</p> Signup and view all the answers

    Which of the following is a function of carbohydrates on the plasma membrane?

    <p>Cell adhesion and recognition</p> Signup and view all the answers

    What is a characteristic of prokaryotic cells that is not found in eukaryotic cells?

    <p>Lack of internal membrane-bound compartments</p> Signup and view all the answers

    What is the correct order of events in signal transduction?

    <p>Signal travels to target cell, signal causes conformational change in receptor, signal is transduced within the cell</p> Signup and view all the answers

    What is the net result of 10 turns of the citric acid cycle in terms of NADH production?

    <p>20 molecules of NADH</p> Signup and view all the answers

    What is the molecular formula for a molecule made by linking three glucose molecules together by dehydration reactions?

    <p>C18H36O18</p> Signup and view all the answers

    What type of energy transformation occurs when an herbivore breaks down sugars from a plant?

    <p>Chemical → kinetic → heat</p> Signup and view all the answers

    What is the role of ADP in allosteric regulation of enzymes involved in aerobic glucose oxidation?

    <p>Activates enzyme activity</p> Signup and view all the answers

    What is the ultimate source of energy for an herbivore that builds a nest using energy from broken-down sugars?

    <p>Light energy from the sun</p> Signup and view all the answers

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