Other questions in this quiz

2. What is a phospholipid bilayer?

  • the active site of an enzyme
  • all the molecules being arranged so that the hydrophobic tails are inside the bilayer
  • movement of oxygen across the wall of an alveolus
  • a layer of proteins

3. The tails of phospoholipids are hydrophobic

  • False
  • True
  • Don't know

4. Which transport across a membrane needs energy and moves up a concentration gradient?

  • Active transport
  • Osmosis
  • Diffusion

5. A CFTR channel is non functional or absent , in a person which has CF.

  • True
  • False

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