Exercise
Form 2: Cell Membrane and Boundary Control
Examine the structure and function of the cell membrane. Practice identifying how it acts as a boundary to regulate what enters and leaves the cell.
Questions
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MultiChoice
What is the primary function of the cell membrane?
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MultiChoice
What term describes the cell membrane's ability to allow only specific substances through?
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MultiChoice
What main lipid molecule forms the structural foundation of the cell membrane?
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MultiChoice
Structures embedded in the cell membrane that assist in moving large molecules are:
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MultiChoice
Where is the cell membrane positioned in a plant cell?
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MultiChoice
In animal cells, what acts as the outermost protective boundary?
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MultiChoice
How does the cell membrane help maintain homeostasis?
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MultiChoice
Small nonpolar molecules like oxygen pass through the cell membrane by:
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MultiChoice
What property of phospholipid tails prevents water-soluble molecules from freely crossing?
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MultiChoice
Which organism's cells possess a cell membrane?
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MultiChoice
What cell membrane process moves materials outward using membrane vesicles?
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MultiChoice
Which component in animal cell membranes helps maintain flexibility and stability?