Which cell carries oxygen though out the body?

Which element is found in both dna and proteins

As studied this week in the cell cycle, we saw how a cell moves through its life with a plan. as you transition from a student at uma to a valued member of your chosen career field, what will you put into place in your life to manage and to fit the new responsibilities of your career into your current life?

All ova contain sex chromosomes corresponding to: x y xx xy