Cell Biology Lectures 6-10 MCQ

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1. Which of the following is NOT true of Complex I?

  • Contains 6 Iron-sulphur centres and flavin mononucletide
  • The ubiquinol formed then diffuses to Complex II
  • Transfer of electrons from NADH to Ubiquinone occurs here
  • 4 potons pumped into intermembrane space
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2. Which of the following does NOT stimulate the PDH complex?

  • High energy state in the cell
  • High levels of Ca
  • High levels of FAD+
  • High levels of Mg

3. Which enzyme is used to convert Dihydroxyacetone phosphate to Glyceraldehyde-3-phosphate?

  • Phosphoglycaromutase
  • Glyceraldehyde-3-phosphate dehydrogenase
  • Triose phosphate isomerase
  • Phosphoglycerate kinase

4. Which of the following is NOT true about Cytochromes?

  • Type C moves between complex 3 and 4
  • Fat soluble - can diffuse through the bilayer
  • Iron heme containing proteins
  • There are 3 types involved

5. Which of the following is NOT present in the nucleoplasm?

  • Nucleoporins
  • Enzymes
  • Nucleotides
  • DNA and RNA

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