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The AFM uses a _______________ to scan the surface of a molecule.

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The AFM uses a _______________ to scan the surface of a molecule.

(a) X-ray film

(b) Nanosized tip

(c) Non-metal tip

(d) Nanodrop

I had been asked this question in final exam.

This interesting question is from Techniques topic in section Techniques in Cell Biology of Cell Biology

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The correct option is (b) Nanosized tip

The explanation: The atomic force microscope (AFM) uses a nanosized tip that probes the surface of materials. Atomic force microscopy is a technique of importance in molecular biology and nanotechnology.

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