2 - http/www4.ncsu.edu/~knopp/BCH451/e97c3.htm BCH 451 Fall...

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BCH 451 Fall 1997 Exam #3 Draw the predominate ionic species of the specified molecules at the pH indicated. Be sure to include all carbon and hydrogen atoms! 1. (4) A = AppTp; B = GppUp (4) D = 1-myristoyl-2-oleoly phosphatidyl ethanolamine E = 1-lauroyl-2-linoleoyl phosphatidyl serine F = 1-stearoyl-2-linolenoyl phosphatidyl choline (1.5) The common features of tRNA are: 1. (1.5) Processing of mRNA in eukaryotes involves the following steps: 2. 1. 2. 3. The dreaded multiple choice. Each question has a range of point values from -0.5 to +2! A biological membrane is called a semi-permeable membrane because 1. It is composed of half proteins and half lipids 1. Water can easily pass through it 2. The center is hydrophobic 3. The exterior is hydrophilic 4. It contains carrier proteins 5. The G-protein got its name because it 2. Has three subunits 1. Binds GDP 2. Is in the pathway between the F- and H- proteins 3. Is in the signal transduction pathway 4.
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