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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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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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