The main purpose of Kreb's Cycle is to reduce the electron carriers: FADH2 and NADH. These electrons are then passed to the electron transport chain by these carriers to generate a concentration gradient of Hydrogen ions between the intermembrane space and matrix of the mitochondria. This drives ATP synthase where the actual majority of ATP is synthesized.
The correct answer is genetic drift has minimized the frequency of type A individuals.
Usually, genetic drift takes place in small populations, where infrequently happening alleles encounter with a greater chance of getting lost. Once it starts, genetic drift will continue until the involved allele is the only allele present in a population at a specific locus or until the allele involved is lost.
In the given case, allele A is lost due to genetic drift phenomenon.
The answer<span> is complex, as there is no one reason for this seeming behavior gap. Each of this chapter's sector discussions, as well as the policy discussion at the end of the chapter, identify factors—</span>commonly<span> called barriers—that impede the full uptake of </span>energy efficiency technologies<span> and measures. </span>
They both have a nucleus along with other complex membrane bound organelles.
