5 Questions
What is the main function of the cell membrane?
To keep the cell in homeostasis by regulating the movement of molecules and substances.
Define homeostasis.
A state of relatively constant internal physical and chemical conditions.
What is diffusion?
The movement of particles from an area of higher concentration to an area of lower concentration.
How do solute particles move in a solution?
Solute particles move constantly, colliding with each other and spreading randomly.
Give an example of diffusion in daily life.
When sugar is added to coffee or tea, the sugar molecules disperse throughout the liquid.
Test your knowledge on how the cell membrane regulates the movement of substances to maintain homeostasis, and the composition of the cytoplasm. The quiz also covers the constant movement of solute particles in a solution.
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