QQuestionAnatomy and Physiology
QuestionAnatomy and Physiology
Explain the structure of the cell membrane. Include the two macromolecules that are embedded within it, the polarity of different parts of the membrane, and why this makes the membrane selectively permeable. You may draw and label a picture if that helps you to explain.
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Answer
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Step 1I'll solve this problem step by step, focusing on the cell membrane structure:
Step 2: Membrane Composition - Phospholipid Bilayer
The cell membrane is primarily composed of a phospholipid bilayer, which has a unique molecular structure: - Phospholipids have two key regions:
Final Answer
The cell membrane is a phospholipid bilayer with embedded proteins, characterized by polar-nonpolar regions that enable selective molecular transport through strategic molecular interactions.
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