Q. The scanning electron microscope is used to examine _____________

View solution

Q. In the preparation of samples for SEM, the specimens are air-dried by a process of critical-point drying.

View solution

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

View solution

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

View solution

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

View solution

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

View solution

Q. Isotopes have the same number of protons.

View solution

Q. Which of the following is radioactive?

View solution

Q. The half life of a radioisotope is _____________

View solution

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

View solution

Q. A beta particle is equivalent to an electron.

View solution

Q. Liquid scintillation spectrometry is a method of detecting ________________________

View solution

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

View solution

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

View solution

Q. EDTA binds the ______________ ions.

View solution

Q. HeLa cells are a cell line.

View solution

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

View solution

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

View solution

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

View solution

Q. The isotonic buffer solution prevents _________

View solution