QQuestionAnatomy and Physiology
QuestionAnatomy and Physiology
When the SimCell membrane in the Cell-o-Scope simulator jiggled back and forth, this was due to:
A. Pressure against the membrane
B. Osmosis causing molecules to flow across the membrane
C. The membrane not being at equilibrium
D. None of the above
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Answer
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Step 1: Identify the possible causes of the SimCell membrane's movement in the Cell-o-Scope simulator.
The given options are: A. Pressure against the membrane B. Osmosis causing molecules to flow across the membrane C. The membrane not being at equilibrium
Step 2: Understand the concepts of pressure, osmosis, and equilibrium in the context of biological membranes.
- Pressure is a force exerted on a surface, which can cause deformation or movement of the membrane. - Osmosis is the net movement of solvent molecules from an area of lower solute concentration to an area of higher solute concentration, through a semi-permeable membrane. - Equilibrium refers to a state where there is no net movement of molecules across the membrane, as the rates of movement in both directions are equal.
Final Answer
Pressure against the membrane (with the specified condition)
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