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.
They come from the agaric family
Kinetics is the study of the speed of a chemical reaction some chemical reactions are fast others are slow sometimes chemists want to speed the slow ones up and slow the fast ones down
Lloyd came up with the idea of Tragedy of the Commons