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Cell Biology Practice Test: Techniques in Cell Biology - Structure Analysis
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Avg score: 27% • Most missed: “Which of the following amino acid absorbs the light of 280 nm?”

Two types of electron microscopy—transmission and scanning—are widely used to study cells. In principle, transmission electron microscopy is similar to the observation of stained cells with the bright-field light microscope.

Cell Biology Practice Test: Techniques in Cell Biology - Structure Analysis
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15 Questions

1. Which was the first protein to have its structure determined using X-ray crystallography?
2. In X-ray diffraction, the protein crystals are bombarded with ____________
3. Which of the following is used in PAGE to prevent the mixing of the sample with running buffer?
4. Proteins with greater charge density move faster in the PAGE.
5. MALDI is a technique of ______________________
6. Electron cryomicroscopy is used mainly for _______________
7. Which of the following techniques delivers the amino-acid sequence of a peptide?
8. Which of the following amino acid absorbs the light of 280 nm?
9. In gel electrophoresis, the globular proteins move slower than the fibrous proteins.
10. When was the technique of two-dimensional gel electrophoresis developed?
11. Synchrotrons generate _____________________
12. In mass-spectrometry, proteins are separated base on their _____________________
13. Which is the main ingredient in the sample preparation of mass spectrometry?
14. For a mass spectrometric analysis, the compounds are converted into ___________________
15. Electrospray ionization is suited for proteins that are __________________

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