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.
ATT Validity Dates. 1  Each ATT is valid for a period of time specified by the BON/RB (the average length of an ATT is 90 days). 2  Once the BON/RB has declared you eligible to test and you receive your ATT, you must test within the validity dates on the ATT.
How long to get nclex results? by bmezz Jan 16, '06 | 56,575 Views | 11 Comments. 0 I am taking my nclex-pn on February 2nd. I got a letter form pearson saying that a certain list of states can call and get results in 48 hours. Virginia isn't on that list. How long does it take and from where do the results come?