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Type: Multiple-Choice
Category: Cell Structure and Function
Level: Grade 9
Tags: cell membrane
Last Modified: 5 months ago

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Cell Structure and Function Question

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Grade 9 Cell Structure and Function

The plasma membrane of a cell consists of
  1. two layers of carbohydrates with hydrophobic lipids on the inside of the membrane.
  2. two layers of lipids with hydrophilic heads forming the outside and hydrophobic tails forming the inside of the membrane.
  3. protein molecules with polar and nonpolar tails.
  4. protein molecules arranged in two layers with hydrophilic areas forming the outside of the membrane.
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