What types of evidence allow scientists to infer that single-celled life likely existed 3.8 billion years ago? Select all that apply. A. transitional fossils in ancient rocks
B. certain forms of carbon in ancient rock
C. fossil evidence, such as stromatolites
D. evidence of extinction events

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?

When energy is used, atp molecules convert to adp molecules. this process is called

What type of cell division is used to replace old cell?