During which phase of Mitosis do chromatin fibers condense into discrete chromosomes that appear as two identical sister chromatids joined at their centromeres, centrosomes move away from each other, and the mitotic spindle begins to form?

the answer is c.

by: nicholas dooley

the nitrogen cycle provides nitrogen to the ecosystem from the atmosphere, ground and oceans. nitrogen is an important component of complex molecules such as amino acids and nucleotides, which lead to the creation of proteins and dna, the building blocks of all life. plants absorb nitrogen in the form of ammonium, nitrate ion and, on rare occasions, as amino acids. animals receive nitrogen necessary for biological processes from feeding on living or dead organic matter.