I'm not sure how to describe where, but here's a diagram!
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.
Answer: Metric System
Explanation: The metric system is a more logical way of explaining measurements because it uses base ten to go up or down in the scale of measurement. This makes it more efficient and reasonable, on top of being easier to learn.
homeostasis is a set of self-regulation we can figure out what this means, One could be that we need homeostasis to maintain a balance, but if we receive any news it may affect homeostasis.