Q. At the critical drying point, there is no surface tension between ________________

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Q. In SEM, the image is formed by the electrons that _________________

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

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Q. The identity and chemical properties of an atom are determined by ____________

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Q. Isotopes have the same number of protons.

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Q. Which of the following is radioactive?

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Q. The half life of a radioisotope is _____________

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Q. Which of the following emitted particles consists of two protons?

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Q. A beta particle is equivalent to an electron.

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Q. Liquid scintillation spectrometry is a method of detecting ________________________

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Q. Trypsin is used for dissociating the tissue into single cells.

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Q. In the secondary culture, cells are obtained from _______________________

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Q. EDTA binds the ______________ ions.

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Q. HeLa cells are a cell line.

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Q. Under favorable conditions, the protoplasts can grow into a ____________________

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Q. The process of dedifferentiation in cell culture can give rise to ________________________

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Q. Isolation of an organelle in bulk quantity can be accomplished by _____________

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Q. The isotonic buffer solution prevents _________

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Q. Density gradient centrifugation is a type of isopycnic centrifugation.

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Q. Which of the following can be used to study cellular activities?

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