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 (D)</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 (B)</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 (C)</p> Signup and view all the answers

What is the purpose of contractile vacuoles in animal cells?

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

Which type of saline solution is classified as hypertonic?

<p>25% (C)</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 (A)</p> Signup and view all the answers

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

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

Where is dialysis commonly used in Medical Laboratory Sciences?

<p>To remove waste from blood (B)</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. (C)</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 (D)</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 (A)</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 (C)</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 (D)</p> Signup and view all the answers

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

<p>Sucrose (A)</p> Signup and view all the answers

In which test is sucrose negative and lactose positive?

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

What is the main function of platelets in the blood?

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

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

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

What percentage of blood volume does the average adult have?

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

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

<p>Karl Landsteiner (D)</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 (D)</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 (A)</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 (C)</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 (B)</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 (B)</p> Signup and view all the answers

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

<p>Blue (B)</p> Signup and view all the answers

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

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

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