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.
Why a Lumbar MRI Is Done. Your doctor will use an MRI to better diagnose or treat problems with your spine. Your condition could be caused by injury-related pain, disease, infection, or other factors. Your 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.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.