The atomic number of an element is the number of protons in the nucleus of an atom of that element.
Atoms with the same number of protons, but a different number of neutrons are called isotopes.
The correct option is C.
Pilli is a long protein filament which attach reproducing cells together during conjugation. This attachment allows the cells to exchange the genetic materials, that is, plasmid between them.
It would be B, contour plowing
A medial moraine is a narrow band of rock debris which usually runs down the centre of the glacier. It forms from the merging of the lateral moraines of two glaciers and often occurs in regions that have been acted upon by a past ice age.
I am not sure how it is for med
It is clinically used to separate <span>a mixed population of macromolecules such as DNA or proteins in a matrix of </span>agarose<span>, which is one of the two main components of agar.</span>