3. Answer the following questions about electrophoresis in general. A. Why do all the proteins move towards the anode in
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3. Answer the following questions about electrophoresis in general. A. Why do all the proteins move towards the anode in
3. Answer the following questions about electrophoresis in general. A. Why do all the proteins move towards the anode in an SDS-PAGE experiment? B. If the proteins were not treated with SDS how would their migration differ from above? C. What is the purpose of the separating gel? 4. Use the cartoon protein below to answer the following questions. Assume the rounder subunits are 45 KDa and the star shaped group is 27 kDa. The lines represent disulfide bonds A. What is the size of the native protein? B. Draw an SDS-PAGE gel for the sample under reducing and non- reducing conditions. Clearly label the anode and cathode and label the lane that contains the reducing sample and the nonreducing sample C. Name all of the noncovalent interactions that can occur in holding the star shaped monomer and the spiky monomers together D. What is the most important interaction that holds monomers together in the native structure above?
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