Genes and health- snab as level revision.

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  • Created by: Justyna
  • Created on: 03-11-13 13:17

1. What is a phospholipid bilayer?

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

2. What continuously removes the mucus from lungs?

  • It removes itself
  • Tissues
  • Cilia
  • Stomach Acid

3. is facilitated diffusion passive?

  • i don't know
  • yes
  • no

4. What are the structures of protein making?

  • conjugated
  • primary stimulus, secondary stimulus, tertiary stimulus and quaternary stimulus
  • Primary structure,secondary structure, tertiary structure,quaternary structure
  • alpha helix, beta pleated sheets

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

  • Diffusion
  • Active transport
  • Osmosis

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