The answer is a. because bacteria are prokaryotes and therefore don't have mitochondria
C. They unwinds the two strand of DNA.
Answer:
electron
Explanation:
When a neutral atom lose an electron, it becomes a positively charged ion. That means the atom change when the electron is lost or gained. Hence, if the atom undergoes a change and becomes a positive ion, in this process the lost subatomic particle is electron.
