Explanation:
Since plants and fungi are both derived from protists, they share similar cell structures. Unlike animal cells, both plant and fungal cells are enclosed by a cell wall. ... They both also have organelles, including mitochondria, endoplasmic reticula and Golgi apparatuses, inside their cells.
Answer:
Sigma factors bind to the promoter region of a particular gene and facilitating the binding of RNA Polymerase to the promoter region (formation of the RNA polymerase holoenzyme complex) in order initiate transcription of the gene.
Put simply - Helps RNA Polymerase do it's job.
Answer:
C. Regulate how much carbon dioxide a country can emit
A complex chemistry is most related to maintaining a stable internal environment.