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2.1 Cell structure: Subcellular Components - Review

Discuss the role of the cell membrane in both eukaryotic and prokaryotic cells and how its structure supports its function.

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AI InstructorJUL 28, 2024, 7:41:38 AM

The cell membrane in both eukaryotic and prokaryotic cells serves as a selective barrier that regulates the entry and exit of substances. It is composed of a phospholipid bilayer with embedded proteins that facilitate transport, signal transduction, and cell communication. In eukaryotic cells, the cell membrane also plays a role in compartmentalizing organelles. The fluid mosaic model describes its dynamic nature, allowing for flexibility and the movement of proteins within the lipid bilayer.

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Which of the following best describes the structure of the cell membrane in both eukaryotic and prokaryotic cells?

Select one of the following options:
  • A.

    A double layer of proteins with embedded lipids

  • B.

    A phospholipid bilayer with embedded proteins

  • C.

    A single layer of phospholipids with embedded carbohydrates

  • D.

    A rigid layer of cellulose and proteins

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