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S20

  • 1. 1 ‫اﻟ‬ ‫ﻤﺴﺘﻮى‬ : 3 ‫ﻋ‬ ‫ﺗﺠﺮﯾﺒﯿﺔ‬ ‫ﻠﻮم‬ ‫ﺳﺎﻋ‬ : ‫اﻟﻤﺪة‬ ‫ﺔ‬ ‫اﻟﻔﺮض‬ ‫اﻟﺜﺎﻧﻲ‬ ‫ﻟﻠﻔﺼﻞ‬ ‫اﻻول‬ ‫اﻟﻄﺒﻴﻌﻴﺔ‬‫اﻟﻌﻠﻮم‬‫ﻓﻲ‬ ‫اﻟﺪراﺳﻴﺔ‬‫اﻟﺴﻨﺔ‬ 2016 / 2017 ‫اﻟﺘﻤﺮﯾﻦ‬ 02 : ‫اﺳﺎﺳﯿﺎ‬ ‫دورا‬ ‫اﻻﻧﺰﯾﻤﺎت‬ ‫ﺗﻠﻌﺐ‬ ‫ﻗ‬ ‫اﻟﺨﻠ‬ ‫اﻟﻨﺸﺎط‬ ‫ﻲ‬ ‫ﻮي‬ ‫ﺗﺮﺑﺴﯿﻦ‬ ‫اﻟﻜﯿﻤﻮ‬ . ‫اﻟﺘﺮﯾﺒﺴﻦ‬ ‫و‬ ‫اﻧﺰﯾﻤ‬ ‫ﯿﻦ‬ ‫ﻣﻮﺟ‬ ‫ﻮ‬ ‫د‬ ‫ﯾﻦ‬ ‫اﻟﻌﺼﺎرة‬ ‫ﻓﻲ‬ ‫ﯾﺤﻔﺰ‬ ‫ﺣﯿﺚ‬ ‫اﻟﺒﻨﻜﺮﯾﺎﺳﯿﺔ‬ ‫اﻟﻜﯿﻤﻮﺗﺮﺑﺴﯿﻦ‬ ‫اﻟﻤﻮﺿﺢ‬ ‫اﻟﺘﻔﺎﻋﻞ‬ ‫ﻣﺮاﺣﻠﮫ‬ ‫اﻟﻮﺛﺒﻘﺔ‬ ‫ﻓﻲ‬ 01 :‫ﻣﻼﺣﻈﺔ‬ ‫اﻟﻤﺠﻤﻮﻋﺔ‬ B ‫ﺗ‬ ‫اﻻﺣﻤﺎض‬ ‫ﻣﻦ‬ ‫ﺘﻜﻮن‬ Ser295.His57.Asp102 1 - ‫اﻻﺟﺰاء‬ ‫ﺗﻤﺜﻞ‬ ‫ﻣﺎذا‬ A+B ‫؟‬ ‫ﻣﻌﺎ‬ 2 - ‫اﻟﻮﺛﯿﻘﺔ‬ ‫ﻋﻠﻰ‬ ‫ﻣﻌﺘﻤﺪا‬ ‫اﻻﻧﺰﯾﻢ‬ ‫ﻋﻤﻞ‬ ‫اﻟﯿﺔ‬ ‫اﺷﺮح‬ 01 3 - ‫؟‬ ‫اﻻﻧﺰﯾﻢ‬ ‫ﻟﮭﺬا‬ ‫اﻟﻔﻌﺎل‬ ‫اﻟﻤﻮﻗﻊ‬ ‫ﻧﺸﺎط‬ ‫ﯾﺨﺺ‬ ‫ﻓﯿﻤﺎ‬ ‫ﺗﺴﺘﻨﺘﺞ‬ ‫ﻣﺎذا‬ 4 - ‫اﻻﻣ‬ ‫اﻻﺣﻤﺎض‬ ‫ان‬ ‫اذاﻻﻋﻠﻤﺖ‬ ‫ﯿﻨﯿﺔ‬ Ser295.His57.Asp102 ‫اﻧﺰﯾﻢ‬ ‫ﻋﻨﺪ‬ ‫ﻣﻮﺟﻮدة‬ ‫اﻟﺘﺮﺑﺴﯿﻦ‬ ‫اﻟﺬي‬ ‫اﻟﺤﻤﺾ‬ ‫ﯾﺴﺘﮭﺪف‬ ‫اﻟﻠﯿﺰﯾﻦ‬ ‫اﻻﻣﯿﻨﻲ‬ ‫أ‬ - ‫ﺗﻮاﺟﺪ‬ ‫ﻓﺴﺮ‬ ‫اﻟﺘﺮﺑﺴﯿﻦ‬ ‫ﻋﻨﺪ‬ ‫اﻻﺣﻤﺎض‬ ‫ھﺬه‬ 5 - ‫اﻋﺘﻤﺎدا‬ ‫ﻋﻠﻰ‬ ‫ﻧﻮ‬ ‫ع‬ ‫اﻟﻤﻜ‬ ‫اﻻﻣﻨﯿﺔ‬ ‫اﻻﺣﻤﺎض‬ ‫ﻧﻮع‬ ‫اﻗﺘﺮح‬ ‫اﻟﻤﺴﺘﮭﺪف‬ ‫اﻻﻣﻨﻲ‬ ‫اﻟﺤﻤﺾ‬ ‫ﻮ‬ ‫ﻟﻠﻤﻨﻄﻘﺔ‬ ‫ﻧﺔ‬ A ‫اﻻﻧﺰﯾﻤﯿﻦ‬ ‫ﻣﻦ‬ ‫ﻛﻞ‬ ‫ﻓﻲ‬ 6 - ‫اﻟﻤﻨﻄﻘﺔ‬ ‫ﺳﻢ‬ A ‫اﻟﻤﺠﻤﻮﻋﺔ‬ ‫و‬ B ‫اﻟﺘﻌﻠﯿﻞ‬ ‫ﻣﻊ‬ 7 - ‫اﻟﯿﻚ‬ ‫اﻻﺗﻲ‬ ‫اﻟﺒﺒﺘﯿﺪ‬ NH2-Asn-Ile-Lys-His-Leu-Gln-Phe-Val-Ala-COOH ‫أ‬ - ‫اﻟﺘﺤﻠﻞ‬ ‫ﻧﻮاﺗﺞ‬ ‫ﺣﺪد‬ ‫اﻟﻨﮭﺎﺋﯿﺔ‬ ‫اﻟﺒ‬ ‫ﻣﻌﺎﻣﻠﺔ‬ ‫ﺗﻢ‬ ‫اﻧﮫ‬ ‫ﻋﻠﻤﺎ‬ ‫ﺒ‬ ‫ﺘ‬ ‫ﯿ‬ ‫اﻟﺴﺎﺑﻖ‬ ‫ﺪ‬ ‫ﺑﺈﻧﺰﯾﻢ‬ ‫اﻟﺘﺮﺑﺴﯿﻦ‬ ‫ﺛﻢ‬ ‫اﻟﻜﯿﻤﻮﺗﺮﺑﺴﯿﻦ‬ ‫ﻓﻲ‬ ‫ﺣﯿﻮي‬ ‫ﻣﻔﺎﻋﻞ‬ 1 - ‫ﺑﺪرﺟﺔ‬ ‫ﺣﺮارة‬ 37 ° ‫و‬ PH=2 2 - ‫ﺣﺮارة‬ ‫درﺟﺔ‬ 37 ° ‫ﻓﻲ‬ PH =8 ‫اﻟﻮﺛﯿﻘﺔ‬ 01 phe H2O
  • 2. 2 8 - ‫ا‬ ‫اﻟﺘﺨﺼﺺ‬ ‫ﺑﯿﻦ‬ ‫اﻟﻌﻼﻗﺔ‬ ‫ﺣﺪد‬ ‫ﺳﺒﻖ‬ ‫ﻣﻤﺎ‬ ‫ﻟﻮ‬ ‫ﻟﻺﻧﺰﯾﻢ‬ ‫ظﯿﻔﻲ‬ ‫وﺑﯿﻨﺘﮫ‬ ‫ﻓﯿﮫ‬ ‫ﯾﻌﻤﻞ‬ ‫اﻟﺬي‬ ‫اﻟﻄﺒﯿﻌﻲ‬ ‫اﻟﻮﺳﻂ‬ ‫و‬