Genes, cells and populations

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1. Why is the nucleus compartmentalized?

  • To enable gene expression to be regulated by post transcriptional modifications
  • To enable gene transcription
  • To enable different pH's to be established
  • To enable translation of mRNA
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Other questions in this quiz

2. What are the 3 components of the cytoskeleton

  • Microfilaments, microtubules and indeterminate filaments
  • Actin, Myosin and Kinesin
  • Microtubules, Microfllaments and intermediate filaments
  • Dynein, Kinesin and Mucin

3. What are microvilli?

  • Small finger like extensions on the surface of intestinal cells
  • Large extensions on the surface of epithelial cells
  • Small finger like extensions on the surface of epithelial cells
  • Ingrowths of the cell wall

4. What is the estimate of the amount of protein in the cytosol

  • 20 - 30%
  • 200 ng ml
  • 280 mg ml
  • 2.0 mg ml

5. How many membranes in 5ml of hepatocytes?

  • 100m2
  • 10m2
  • 100cm2
  • A tennis court size

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