An implication of this observation is. that two forms of RNA polymerase lI, differing in their subunit composition, may exist in vivo. The in vivo phosphorylation state of. RNA polymerase II subunits has also. been investigated using the immunopre-. cipitation approach (Fig.
Add your answer. Does a lumbar MRI include imaging of sacroiliac and coccyx area? I just had a MRI and it was for pain in the sacroiliac area (aching pain) and coccyx area (stabbing/pinching pain) so I thought it was weird that it was for lumbar back pain on the order.
1 Bones and joints. 2  MRI can check for problems of the bones and joints, such as arthritis, problems with the temporomandibular joint, bone marrow problems, bone tumors, cartilage problems, torn ligaments or tendons, or infection. 3  MRI may also be used to tell if a bone is broken when X-ray results are not clear. MRI can look at the brain for tumors, an aneurysm, bleeding in the brain, nerve injury, and other problems, such as damage caused by a stroke. 2  MRI can also find problems of the eyes and optic nerves, and the ears and auditory nerves.