The 3' -OH of the sugar group forms a bond with one of the negatively charged oxygens of the phosphate group attached to the 5' carbon of another sugar. When many of these nucleotide subunits combine, the result is the large single-stranded polynucleotide or nucleic acid, DNA ().
The length of the exam depends on the type of study being performed. 1  MRI of the Brain â¦ 20-45 minute scan time. 2  MRI of the Orbits â¦ 20-35 minute scan time.3  MRI of the TMJ â¦ 45-60 minute scan time.4  MRI of the Soft Tissue Neck â¦ 25-35 minute scan time.5  MRI of the Cervical Spine â¦ 20-35 minute scan time. MRI of the Brain â¦ 20-45 minute scan time. 2  MRI of the Orbits â¦ 20-35 minute scan time. 3  MRI of the TMJ â¦ 45-60 minute scan time. 4  MRI of the Soft Tissue Neck â¦ 25-35 minute scan time.
The staff looking after you will discuss any after affects with you, and will help you if they do occur. How long does an MRI take? The scan can take between 10 minutes to over an hour to complete. This depends on the part of the body being imaged and what type of MRI is required to show the information. Before the scan begins, the radiographer will tell you how long the scan takes, so you know what to expect.