Lesson 7 quiz

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  • Created by: David
  • Created on: 11-05-14 08:35

1. During inspiration in a fish, what happens to the muscles in the mouth and the operculum

  • Mouth contracts, opercular muscles relax
  • Mouth relaxes, opercular muscles contract
  • Mouth contract, opercular muscles contract
  • Mouth relaxes, opercular muscles relax
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Other questions in this quiz

2. The DNA base cytosine is complementary to

  • Thymine and Uracil
  • Adenine
  • Guanine
  • Thymine

3. Which of the following factors do not affect the rate of transpiration

  • concentration of nitrogen in the air
  • light intensity
  • humidity
  • wind

4. What is the Bohr effect

  • A decrease in the level of CO2 and an increae in the level of acidity will cause haemoglobin to unload oxygen
  • An increase in the level of CO2 and acidity will cause Haemoglobin to unload oxygen
  • a decrease in the level of CO2 and acidity will cause Haemoglobin to unload oxygen
  • An increase in the level of CO2 and a decrease in the level of acidity will cause haemoglobin to unload oxygen

5. What is the quaternary structure of a protein?

  • How a polypeptide of one protein interacts with the polypeptide of another protein
  • How polypeptide chains are arranged together in a protein with multiple polypeptides
  • How the protein folds into a 3d shape

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