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Questions and Answers
What is the main component of the plasma membrane?
What is the main component of the plasma membrane?
- Cholesterol
- Glycoprotein
- Phospholipid (correct)
- Steroid
Why is the plasma membrane referred to as semi-permeable?
Why is the plasma membrane referred to as semi-permeable?
- It only permits water molecules to pass through
- It allows all substances to freely pass through
- It regulates the substances entering and exiting the cell (correct)
- It is impermeable to all substances
What model is used to represent the plasma membrane?
What model is used to represent the plasma membrane?
- Rigid structure model
- Fluid mosaic model (correct)
- Random arrangement model
- Static layer model
What characteristic defines amphipathic molecules?
What characteristic defines amphipathic molecules?
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Why are the embedded macromolecules in the plasma membrane able to move regularly?
Why are the embedded macromolecules in the plasma membrane able to move regularly?
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