The electron transport chain (ETC) is the final step of cellular respiration and takes place in the mitochondrion.
- The final step in cellular respiration is the electron transport chain. This is sometimes abbreviated as ETC. ETC needs oxygen, which means aerobic process. It occurs at the edges of the inner lining of mitochondria. These handles are called cristae.
Your correct answer to this question is C
It is A: a chemical reaction, due to the acid activity (acetic acid)
The right answer is: C) Iruptive Growth. For their growth is never stable.