Practice Exam - BE/BL 2400 Practice Exam 1. T or F. An...

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BE/BL 2400 Practice Exam 1. T or F. An enzyme is a catalyst that speeds up a specific reaction so that more of the reaction products will be present when the reaction achieves equilibrium. 2. T or F. Hydrophobic force is important during spontaneous processes such as protein folding and the formation of the plasma membrane. 3. T or F. The requirement of enzymes to speed up many of the reactions that occur in a cell provides an opportunity to regulate the concentration of the reaction products. 4. T or F. A typical eukaryotic cell is 10 - 20 μ m in diameter, which is about 1/5 th the size of the smallest particle visible to the naked eye. 5. T or F. When light passes through a living cell, the phase of the light is changed due to inhomogeneities in the refractive index of the cell. The phase-contrast and differential interference contrast microscope exploit the resulting light interference to visualize living cells. 6. T or F. Imaging of complex three dimensional objects is possible with the ordinary light microscope. 7. T or F. By incorporating a radioisotope into a molecule of interest, the location of a radioisotope (and thus of the molecule of interest) can be determined with the light or electron microscope by autoradiography. 8.
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This note was uploaded on 02/22/2010 for the course BE 2400 taught by Professor Goldman during the Fall '08 term at Michigan Technological University.

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Practice Exam - BE/BL 2400 Practice Exam 1. T or F. An...

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