Experimental evidence suggests that the nucleoid is largely composed of DNA, about 60%, with a small amount of RNA and protein. The latter two constituents are likely to be mainly messenger RNA and the transcription factor proteins found regulating the bacterial genome.
An ophthalmologist is a medical doctor (MD) or an osteopathic doctor (DO) who specializes in eye and vision care. Ophthalmologists are trained to perform eye exams, diagnose and treat disease, prescribe medications and perform eye surgery. They also write prescriptions for eyeglasses and contact lenses.
A neurology doctor, or neurologist, is a healthcare professional who diagnoses and treats disorders affecting the brain, spinal cord, and nerves.He or she can specialize in one area or work more broadly, and can also be either a primary care provider or work in consultation with other healthcare providers.eurologists can help treat a wide variety of conditions, including birth defects, like spinal bifida and medical conditions like strokes, epilepsy, Parkinson's disease, and Alzheimer's disease. He or she can also treat tumors on the brain and spinal cord, and trauma, like concussions and strokes.