Summary of Plasma Membrane - Advanced 9th Grade Biology

• Controlling the cell's movement
• Supporting cellular structures
• Maintaining the cell's internal environment
• Regulating the entry and exit of materials into and out of the cell (correct)

• Prokaryotic cells
• Both prokaryotic and eukaryotic cells (correct)
• Eukaryotic cells
• Animal cells only

• Regulating external environmental factors
• Preventing all substances from entering the cell
• Allowing all substances to freely enter and exit the cell
• Permitting some substances to pass while restricting others based on size and the cell's needs (correct)

<p>Phospholipids, cholesterol, proteins, carbohydrates (D)</p> Signup and view all the answers

<p>Serving as transport channels for certain materials into and out of the cell (D)</p> Signup and view all the answers