Respiration - unit 4 biology AQA A-level

quiz about the chemical process of respiration, suitable for any a-level board but made for AQA biology unit 4 at A2 level :)

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  • Created by: Mirte
  • Created on: 05-06-14 12:41

1. What is the equipment for measuring the rate of respiration called and what is it based on?

  • Respirometer, based on measuring distance moved by an organism
  • Respirometer, based on measuring gas volume
  • Respiration meter, based on measuring uptake of mass
  • Respiro-matic, based on how fast a duck can spin on its axis
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2. Where does the electron transport chain take place?

  • in the mitochrondial cristae
  • in the mitochrondial matrix
  • in the cytoplasm

3. At the start of glycolysis, glucose is activated by ...................

  • Reduction (gain of Hydrogen atoms)
  • phosphorylation (bonded to 2 phosphate molecules)
  • phosphorylation (bonded to 1 phosphate molecule)
  • Oxidation (gain of oxygen)

4. In the electron transport chain, energy from electrons is used to....

  • pump H+ from the matrix into the inner membrane space
  • pump H+ from the inner membrane space into the matrix
  • enable O2 to take up electrons
  • enable O2 to take up CO2 to form glucose

5. The Krebs cycle is aided by which co-enzymes to catalyse the removal of hydrogen ions?

  • NAD and RAD
  • NAD only
  • FAD and NAD
  • FAD only
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