BIS104_F10_Final_PracticeQs

BIS104_F10_Final_PracticeQs - BIS 104_F10_Final_PracticeQs...

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BIS 104_F10_Final_PracticeQs 12/07/10 Practice Questions 1. Which protein below is degraded by the ubiquitin-proteasome pathway? A. histones B. Cdc6 C. collagen D. fibronectin E. the E3 ligase 2. Domains that recognize and bind to phosphorylated tyrosines are ___________. 3. Among the components of the extracellular matrix (ECM), the protein-polysaccharide complex, called ________________, forms hydrated gel-like structure, providing the ECM with resistance to compression forces. 4. An example of the well-known human proto-oncogenes is ___________. 5. During metastasis, cancer cells loose cell-cell attachment and invade into the extracellular matrix. These processes involve the suppression of _______________ transcription as well as production and secretion of certain _______________. A. integrin; proteases B. cadherin; proteases C. cadherin, collagen D. cadherin; glycosaminoglycans
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