McqMate
| Q. |
Negative Staining is used for examining |
| A. | virus particles |
| B. | protein molecules |
| C. | bacterial flagella |
| D. | virus particles, protein molecules and bacterial flagella |
| Answer» D. virus particles, protein molecules and bacterial flagella | |
| Explanation: in negative-staining the electron opacity of the surrounding field is increased by using an electron-dense material such as phosphotungstic acid as a stain. negative staining is particularly valuable for the examination of very small structures such as virus particles, protein molecules and bacterial flagella. | |
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