chao ban, minh la member moi cua forum
thay ban thek mek cai ny dung ngay cho ngua'
nin tra loi cho ban na`
1. CT krebs chi xay ra trong ty the(mitochrondria) vi chi trong ty the(chinh xac la tren mang trong ty the) moi co cac enzym can cho CT C3(CT Krebs) vi du nhi cac enzym cua he thong cytocrom dam nhn chuc nnag chuyen dien tu qua Fe2+/Fe3+ --->Cu+/Cu2+ cui cung la gap oxy khong khi de tao nuoc,hoac nhu chat nhan 2H tu co chat chua H(nguyen lieu cho CT C3) vi du axit piruvic la coenzym Q10. trong chu trinh ny` chi co 3 vi tri tao duoc ATP la`: tu NAD/NADH,H+ --->FAD/FADH2, tu cytB--->cytC va cyta,a3 --->O2khong khi.noi chung dai dong z nhung ly do chu yeu la he thong enzym can cho CT o mang trong ty the. nguyen nhan la trong su tien hoa khi te bao "thuc bao`" 1 vi khuan hieu khi nhung khong tieu hoa ma` vk ny` tro thanh "nha` may nang luong" te bao
2.cac coenzym la 1 bo phan cua enzym nhung no ko phai la thanh` phan` dac trung cho enzym,nen nhieu enzym co the co cung 1 coenzym,con ve cach goi ten coenzym thi no theo cong thuc hoa hoc cua no cai ny` phai hoc thuoc thui
nhung thuc ra thi chi can` nho 1 so coenzym tham gia cac phan ung chinh vi du NAD,FAD,FMN tham gia chuyen va khu H,vit B6(pyridoxal)tham gia chuyen nhom amin.....
3.cau do hoan toan chinh xac ban ah`,ngoai chuc nang tao ATP (cai ny` thi` khoi noi'
cai chat trung gian trong CT con tham gia dieu hoa cac QT khac,vi du ny`: NADH,H+ thi uc che tong hop axetyl CoA tu pyruvat ...... rui` chuc nang tong hop do cac chat trung gian lun,nhu cac chat cua "nga~ ba duong" nhu pyruvat(co the tao duoc tu alanin cua chuyen hoa protein,oxalo axetat co the tao tu aspartat,hoac anpha-cetoglutarat ,acetyl CoA tu PGA(phosphoglycerandehyt)co duoc tu thoai bien
tirglycerit ..... noi hcung la thong qua CT krebs te bao co the thuc hien ca 3 chuc nang tao nang luong,tong hop va dieu hoa`nen vai tro` cua CT ny` rat quan trong mun' hoc gioi Hoa Sinh thi phai hoc no cho ky~ vao`
thay ban thek mek cai ny dung ngay cho ngua'
nin tra loi cho ban na`1. CT krebs chi xay ra trong ty the(mitochrondria) vi chi trong ty the(chinh xac la tren mang trong ty the) moi co cac enzym can cho CT C3(CT Krebs) vi du nhi cac enzym cua he thong cytocrom dam nhn chuc nnag chuyen dien tu qua Fe2+/Fe3+ --->Cu+/Cu2+ cui cung la gap oxy khong khi de tao nuoc,hoac nhu chat nhan 2H tu co chat chua H(nguyen lieu cho CT C3) vi du axit piruvic la coenzym Q10. trong chu trinh ny` chi co 3 vi tri tao duoc ATP la`: tu NAD/NADH,H+ --->FAD/FADH2, tu cytB--->cytC va cyta,a3 --->O2khong khi.noi chung dai dong z nhung ly do chu yeu la he thong enzym can cho CT o mang trong ty the. nguyen nhan la trong su tien hoa khi te bao "thuc bao`" 1 vi khuan hieu khi nhung khong tieu hoa ma` vk ny` tro thanh "nha` may nang luong" te bao
2.cac coenzym la 1 bo phan cua enzym nhung no ko phai la thanh` phan` dac trung cho enzym,nen nhieu enzym co the co cung 1 coenzym,con ve cach goi ten coenzym thi no theo cong thuc hoa hoc cua no cai ny` phai hoc thuoc thui
nhung thuc ra thi chi can` nho 1 so coenzym tham gia cac phan ung chinh vi du NAD,FAD,FMN tham gia chuyen va khu H,vit B6(pyridoxal)tham gia chuyen nhom amin.....3.cau do hoan toan chinh xac ban ah`,ngoai chuc nang tao ATP (cai ny` thi` khoi noi'
cai chat trung gian trong CT con tham gia dieu hoa cac QT khac,vi du ny`: NADH,H+ thi uc che tong hop axetyl CoA tu pyruvat ...... rui` chuc nang tong hop do cac chat trung gian lun,nhu cac chat cua "nga~ ba duong" nhu pyruvat(co the tao duoc tu alanin cua chuyen hoa protein,oxalo axetat co the tao tu aspartat,hoac anpha-cetoglutarat ,acetyl CoA tu PGA(phosphoglycerandehyt)co duoc tu thoai bien tirglycerit ..... noi hcung la thong qua CT krebs te bao co the thuc hien ca 3 chuc nang tao nang luong,tong hop va dieu hoa`nen vai tro` cua CT ny` rat quan trong mun' hoc gioi Hoa Sinh thi phai hoc no cho ky~ vao`
