Difference between phosphorus
and potassium​

Potassium is a mineral found in most of the foods we eat and is necessary in the diet because it helps with muscle movement and keeping the nervous system healthy. ... Phosphorus is also a mineral we get from eating certain foods. Phosphorus helps build strong bones and teeth.

cytokinesis is the splitting of a cell membrane to form 2 identical daughter cells. it's similar to mitosis as both cells have identical copies of dna and cytokinesis is a step in the mitotic cycle.