You have isolated a microorganism that is green, photosynthetic, has a cell wall, and does not possess a nucleus. this organism is a(n)

Bacteria

Explanation:

You have isolated a microorganism that is green, photosynthetic, has a cell wall, and does not possess a nucleus. This organism is a bacteria.

Bacteria such as cyanobacteria are photosynthetic and generally bacteria are classified as prokaryotes, that is the lack a nucleus and they have cell walls. The cell wall of bacteria is usually the target of antibiotics in the treatment of bacteria infections.

answer; to be the responsible party for healthcare delivery through medicare and medicaid programs;