There are two models of protein folding that are currently being confirmed: 1  The diffusion collision model, in which a nucleus is formed, then the secondary structure is formed, and finally these secondary structures are collided together and pack tightly together.
If you do not test within these dates you will have to reregister and repay the examination fee. The ATT contains your authorization number, candidate identification number and an expiration date. You need the ATT to: Schedule an appointment to take the NCLEX examination.
If you need to test outside the U.S., please e-mail militaryexaminee@nbcc.org.â¢ To reschedule your exam, contact Pearson Vue at least 24 hours prior to your scheduled appointment. There is a $25 fee to reschedule within seven days of your appointment. You cannot reschedule less than 24 hours prior to your appointment.