3.1.1 - Cell Membrane: Semi-permeable barrier controlling movement in/out of cell
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Practice Questions
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What is the role of the cell membrane?
💡 Hint: Think about what surrounds the cell.
Define osmosis.
💡 Hint: Consider what substance is being moved and through what type of membrane.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does semi-permeable mean?
💡 Hint: Think about the selectivity of movement.
Is diffusion a passive or active process?
💡 Hint: Consider the energy requirements of moving substances.
2 more questions available
Challenge Problems
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You have a cell placed in a highly salty solution. Describe what happens to the cell, mentioning the processes involved.
💡 Hint: Think about the movement direction during osmosis.
Explain how the concept of semi-permeability is essential for the function of a kidney cell in filtering blood.
💡 Hint: Consider how kidneys manage what is kept or eliminated from the blood.
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