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.
To apply for a study permit on or after June 1, 2014, you will need to have a letter of acceptance from a designated learning institution. 1  Each province and territory in Canada is responsible for designating schools at the post-secondary level that may enrol international students on or after June 1.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.
Or you can come to Canada through an exchange program. To qualify, you must have completed at least one year at a university or grande Ã©cole in France. The courses that you take in Canada will be credited in France. For more information, check with the international relations office at your university or grande Ã©cole.