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Type: Multiple-Choice
Category: Cell Structure and Function
Level: Grade 10
Score: 2
Author: jlovering
Last Modified: a month ago

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Cell Structure and Function Question

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Grade 10 Cell Structure and Function

Which description accurately describes the cell membrane?
  1. a single permeable layer of phospholipids that have hydrophobic heads and hydrophilic tails
  2. a semi-permeable double layer of phospholipids that have hydrophilic heads and hydrophobic tails
  3. a single permeable layer of phospholipids that have hydrophilic heads and hydrophobic tails
  4. a semi-permeable double layer of phospholipids that have hydrophobic heads and hydrophilic tails
  5. a barrier of polypeptides that prevents molecules from entering or leaving the cell
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