Scelta multipla
What is the primary function of the contractile vacuole in eukaryotic cells?
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6. The Membrane
Introduction to Membrane Transport
Scelta multipla
Which of the following cell lysis techniques uses a high-frequency sound to disrupt the membrane?
A
Sonication
B
Mechanical homogenization
C
Freeze-thaw cycles
D
Detergent lysis
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Understand the concept of cell lysis, which is the process of breaking down the cell membrane to release its contents.
Identify the different techniques used for cell lysis: mechanical homogenization, freeze-thaw cycles, detergent lysis, and sonication.
Mechanical homogenization involves physically breaking cells using shear forces, often with a blender or homogenizer.
Freeze-thaw cycles involve repeatedly freezing and thawing cells, causing ice crystals to form and disrupt the cell membrane.
Sonication uses high-frequency sound waves to create vibrations that disrupt cell membranes, effectively lysing the cells.
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