29 Questions
What is the primary source of cellular energy in primary active transport?
Hydrolysis of ATP
Which term describes the random mixing of particles in a solution due to kinetic energy?
Diffusion
What is the state called when particles are evenly distributed due to diffusion?
Equilibrium Dialysis
What does the Greek word 'dialusis' mean?
Dissolution
In which type of solution would cells inflate according to the results obtained from soaking a potato?
0.1% Hypotonic
Where is dialysis commonly applied in Medical Laboratory Sciences?
To remove waste and excess water from blood
What is the purpose of contractile vacuoles in animal cells?
To prevent cell lysis
Which type of saline solution is classified as hypertonic?
25%
What is the term used to describe the collapsing of the structure of blood cells due to a hypertonic solution?
Crenation
Which process requires carrier proteins to move solutes against a concentration gradient?
Active transport
Where is dialysis commonly used in Medical Laboratory Sciences?
To remove waste from blood
Why is salt the only molecule detected in the dialysate according to the passage?
The membrane allows only smaller particles to pass through.
Which test is used to determine the reducing property of sugars by forming a brick red ppt?
Benedict’s Test
What is the positive result of the Nylander's Test when determining the reducing property of sugars?
Black ppt
Which reagent is used in the Moore's Test to determine the reducing property of sugars?
Strong NaOH
Which test yields a mahogany red solution as a positive result when determining the reducing property of sugars?
Picric Acid Test
Which disaccharide yields a purple ring in Molisch's Test?
Sucrose
In which test is sucrose negative and lactose positive?
Schiff’s Test
What is the main function of platelets in the blood?
Help in the clotting process
Which layer of centrifuged blood contains white blood cells and platelets?
Buffy coat
What percentage of blood volume does the average adult have?
8%
Which scientist was instrumental in determining the differences in blood types?
Karl Landsteiner
What is the main function of white blood cells in the blood?
Fight diseases and protect the body
In which layer of centrifuged blood do red blood cells form the heavy bottom portion?
Bottom layer
What color change indicates a positive result when testing for hydrolyzed starch using Fehling's test?
Orange
What is the change in texture observed in treated parchment paper compared to untreated parchment paper?
Rough to smooth
Which reagent is used in the Iodine Test to test for the presence of starch in a solution?
Iodine
What color is Fehling's A before titration with Phenolphthalein and NaOH?
Blue
What happens to unhydrolyzed polysaccharides in terms of their reducing properties?
Becomes non-reducing
Test your knowledge on cellular transport mechanisms including active transport, passive transport, diffusion, and sources of cellular energy. Understand the concepts of transport maximum, saturation, and the role of carrier proteins in moving solutes against concentration gradients.
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