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.
An MRI uses magnets and radio waves to capture images inside your body without making a surgical incision. The scan allows your doctor to see the soft tissue of the body, like muscles and organs, in addition to your bones. An MRI can be performed on any part of your body.our doctor might order a lumbar MRI if you have the following symptoms: 1  back pain accompanied by fever. 2  birth defects affecting the spine. 3  injury to the lower spine. 4  persistent or severe lower back pain. 5  multiple sclerosis. 6  problems with your bladder.