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:
C
Explanation: it fixes nitrogen
Answer:
The common elemental ingredients are carbon, hydrogen, and oxygen.
Answer:
<u>Areas where lava recently flowed, a glacier retreated, or a sand dune formed.</u>
Explanation:
I don't know if this'll help you, but I think that should be somewhat about primary succession.
I looked it up, and chromosome sounds about right.