MCQOPTIONS
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MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Cell Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The AFM uses a _______________ to scan the surface of a molecule. |
| A. | X-ray film |
| B. | Nanosized tip |
| C. | Non-metal tip |
| D. | Nanodrop |
| Answer» C. Non-metal tip | |
| 2. |
In SEM, the image is formed by the electrons that _________________ |
| A. | reflect back |
| B. | ionize |
| C. | undergo inversion |
| D. | pass through |
| Answer» B. ionize | |
| 3. |
At the critical drying point, there is no surface tension between ________________ |
| A. | gas and oil |
| B. | gas and liquid |
| C. | liquid and liquid |
| D. | oil and liquid |
| Answer» C. liquid and liquid | |
| 4. |
In the preparation of samples for SEM, the specimens are air-dried by a process of critical-point drying. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
The scanning electron microscope is used to examine _____________ |
| A. | antigens |
| B. | antibodies |
| C. | anticoaggulants |
| D. | cell surfaces |
| Answer» E. | |