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.
<span>This answer seemed to come very easy. We are daily surrounded by people suffering from cancer. The cancer is cancer cells. Cancer cells crowd out our normal cells and feed off of nutrients within us to continue to grow and multiply.</span>
The cell cycle, or cell-division cycle, is the series of events that take place in a cell leading to its division and duplication of its DNA (DNA replication) to produce two daughter cells.
The sun appears to cross the plane of Earth's equator
when it reaches either one of the "equinox" points in the sky.