Cellular Transport Mechanisms Quiz
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Questions and Answers

What is the primary source of cellular energy in primary active transport?

  • Energy stored in lipid bilayers
  • Hydrolysis of ADP
  • Hydrolysis of ATP (correct)
  • Energy stored in an iconic concentration gradient
  • Which term describes the random mixing of particles in a solution due to kinetic energy?

  • Diffusion (correct)
  • Active transport
  • Endocytosis
  • Osmosis
  • What is the state called when particles are evenly distributed due to diffusion?

  • Active Equilibrium
  • Carrier Equilibrium
  • Equilibrium Dialysis (correct)
  • Solute Saturation
  • What does the Greek word 'dialusis' mean?

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

    In which type of solution would cells inflate according to the results obtained from soaking a potato?

    <p>0.1% Hypotonic</p> Signup and view all the answers

    Where is dialysis commonly applied in Medical Laboratory Sciences?

    <p>To remove waste and excess water from blood</p> Signup and view all the answers

    What is the purpose of contractile vacuoles in animal cells?

    <p>To prevent cell lysis</p> Signup and view all the answers

    Which type of saline solution is classified as hypertonic?

    <p>25%</p> Signup and view all the answers

    What is the term used to describe the collapsing of the structure of blood cells due to a hypertonic solution?

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

    Which process requires carrier proteins to move solutes against a concentration gradient?

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

    Where is dialysis commonly used in Medical Laboratory Sciences?

    <p>To remove waste from blood</p> Signup and view all the answers

    Why is salt the only molecule detected in the dialysate according to the passage?

    <p>The membrane allows only smaller particles to pass through.</p> Signup and view all the answers

    Which test is used to determine the reducing property of sugars by forming a brick red ppt?

    <p>Benedict’s Test</p> Signup and view all the answers

    What is the positive result of the Nylander's Test when determining the reducing property of sugars?

    <p>Black ppt</p> Signup and view all the answers

    Which reagent is used in the Moore's Test to determine the reducing property of sugars?

    <p>Strong NaOH</p> Signup and view all the answers

    Which test yields a mahogany red solution as a positive result when determining the reducing property of sugars?

    <p>Picric Acid Test</p> Signup and view all the answers

    Which disaccharide yields a purple ring in Molisch's Test?

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

    In which test is sucrose negative and lactose positive?

    <p>Schiff’s Test</p> Signup and view all the answers

    What is the main function of platelets in the blood?

    <p>Help in the clotting process</p> Signup and view all the answers

    Which layer of centrifuged blood contains white blood cells and platelets?

    <p>Buffy coat</p> Signup and view all the answers

    What percentage of blood volume does the average adult have?

    <p>8%</p> Signup and view all the answers

    Which scientist was instrumental in determining the differences in blood types?

    <p>Karl Landsteiner</p> Signup and view all the answers

    What is the main function of white blood cells in the blood?

    <p>Fight diseases and protect the body</p> Signup and view all the answers

    In which layer of centrifuged blood do red blood cells form the heavy bottom portion?

    <p>Bottom layer</p> Signup and view all the answers

    What color change indicates a positive result when testing for hydrolyzed starch using Fehling's test?

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

    What is the change in texture observed in treated parchment paper compared to untreated parchment paper?

    <p>Rough to smooth</p> Signup and view all the answers

    Which reagent is used in the Iodine Test to test for the presence of starch in a solution?

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

    What color is Fehling's A before titration with Phenolphthalein and NaOH?

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

    What happens to unhydrolyzed polysaccharides in terms of their reducing properties?

    <p>Becomes non-reducing</p> Signup and view all the answers

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