Large amounts of ATP are generated when the body cells function with adequate oxygen. ATP molecules are the energy currency of the cells; cells derived the energy they need for their activities from the metabolism of ATP molecules. ATP need oxygen in order to function maximally.
Structure. A hypha consists of one or more cells surrounded by a tubular cell wall. In most fungi, hyphae are divided into cells by internal cross-walls called "septa" (singular septum). Septa are usually perforated by pores large enough for ribosomes, mitochondria and sometimes nuclei to flow between cells.
I believe that the answer is D. lichens growing on cooled lava. Hope it helps.
From tiny blood cells/vessels!
Hope this helps!
