For giving you understanding ; we need Free O2 but Oxygen is also available in H20 right why dont we use it !!
As the early atmosphere was reducing as there was no free oxygen but it was later produced by chemoautotrophic bacteria !! Living thing release O2 in atmosphere thus making it oxidising in nature and then life evolves !!
Answer:
attenuation
Explanation:
Based on the scenario being described within the question it can be said that the form of regulation that is being described is known as attenuation. In the context of genetics, this is a specific mechanism that provides control in various bacterial operons that result in term results in premature termination of the transcription.
Enzyme-linked immunosorbent assay
