Elongation always occurs at the carboxyl end of the fat, so in effect what happens is that the potential desaturation positions change as we elongate the fat. By alternating elongation with desaturation 4, 5, 6, and 9, we can get polyunsaturated fats of double-bonds three carbons apart.
New rules to reduce the potential for fraud or misuse of the program, protect Canadaâs international reputation for high-quality education and improve the services available to genuine students came into force on June 1, 2014.f you are no longer a student but wish to remain in Canada as a visitor, please see Visit Canada. Note: Under the new rules, your study permit will become invalid 90 days after you have completed your study program.
FULL-TIME EQUIVALENCY:In the following cases, international students are automatically considered full-time for immigration purposes. 1  Graduate student holds full-time Assistantship/Externship. The student must be registered for a minimum of 6 credits and provide ISSS with a copy of the Award Letter. Graduate student is at the thesis or dissertation research/writing stage. The student must be registered for a minimum of 1 credit.