– L\u00e0 ph\u01b0\u01a1ng th\u1ee9c v\u1eadn chuy\u1ec3n c\u00e1c ch\u1ea5t d\u1ef1a theo nguy\u00ean l\u00ed khu\u1ebfch t\u00e1n c\u1ee7a c\u00e1c ch\u1ea5t t\u1eeb n\u01a1i c\u00f3 n\u1ed3ng \u0111\u1ed9 cao, \u0111\u1ebfn n\u01a1i c\u00f3 n\u1ed3ng \u0111\u1ed9 th\u1ea5p. \n<\/p>\n\n\n\n
– Kh\u00f4ng ti\u00eau t\u1ed1n n\u0103ng l\u01b0\u1ee3ng\n<\/p>\n\n\n\n
– C\u00f3 2 c\u00e1ch v\u1eadn chuy\u1ec3n c\u00e1c ch\u1ea5t qua m\u00e0ng:\n<\/p>\n\n\n\n
+ Khu\u1ebfch t\u00e1n tr\u1ef1c ti\u1ebfp qua l\u1edbp k\u00e9p photpholipit\n<\/p>\n\n\n\n
+ Khu\u1ebfch t\u00e1n qua k\u00eanh protein xuy\u00ean m\u00e0ng.\n<\/p>\n\n\n\n
– A: n\u1ed3ng \u0111\u1ed9 ch\u1ea5t tan b\u00ean trong t\u1ebf b\u00e0o\n <\/p>\n\n\n\n
– B: n\u1ed3ng \u0111\u1ed9 ch\u1ea5t tan b\u00ean ngo\u00e0i t\u1ebf b\u00e0o\n<\/p>\n\n\n\n
+ A < B \t\u2192\uf0e0 m\u00f4i tr\u01b0\u1eddng \u01b0u tr\u01b0\u01a1ng, ch\u1ea5t tan di chuy\u1ec3n t\u1eeb b\u00ean ngo\u00e0i v\u00e0o b\u00ean trong t\u1ebf b\u00e0o\n<\/p>\n\n\n\n
+ A > B \t\u2192\uf0e0 m\u00f4i tr\u01b0\u1eddng nh\u01b0\u1ee3c tr\u01b0\u1eddng, ch\u1ea5t tan di chuy\u1ec3n t\u1eeb b\u00ean trong ra b\u00ean ngo\u00e0i m\u00f4i tr\u01b0\u1eddng\n<\/p>\n\n\n\n
+ A = B \t\u2192\uf0e0 m\u00f4i tr\u01b0\u1eddng \u0111\u1eb3ng tr\u01b0\u01a1ng. Ch\u1ea5t kh\u00f4ng di chuy\u1ec3n.\n<\/p>\n\n\n\n
– C\u00e1c ch\u1ea5t kh\u00f4ng ph\u00e2n c\u1ef1c v\u00e0 c\u00f3 k\u00edch th\u01b0\u1edbc nh\u1ecf nh\u01b0 O2, CO2\u2026 khu\u1ebfch t\u00e1n tr\u1ef1c ti\u1ebfp qua l\u1edbp ph\u00f4tpholipit k\u00e9p.\n<\/p>\n\n\n\n
– C\u00e1c ch\u1ea5t ph\u00e2n c\u1ef1c, ion ho\u1eb7c c\u00e1c ch\u1ea5t c\u00f3 k\u00edch th\u01b0\u1edbc l\u1edbn nh\u01b0 gluc\u00f4z\u01a1 khu\u1ebfch t\u00e1n qua m\u00e0ng nh\u1edd c\u00e1c k\u00eanh pr\u00f4t\u00eain xuy\u00ean m\u00e0ng.\n <\/p>\n\n\n\n
– N\u01b0\u1edbc qua m\u00e0ng nh\u1edd k\u00eanh aquaporin.\n<\/p>\n\n\n\n
– L\u00e0 ph\u01b0\u01a1ng th\u1ee9c v\u1eadn chuy\u1ec3n c\u00e1c ch\u1ea5t t\u1eeb n\u01a1i c\u00f3 n\u1ed3ng \u0111\u1ed9 th\u1ea5p \u0111\u1ebfn n\u01a1i c\u00f3 n\u1ed3ng \u0111\u1ed9 cao (ng\u01b0\u1ee3c chi\u1ec1u gra\u0111ien n\u1ed3ng \u0111\u1ed9) \n<\/p>\n\n\n\n
– Ti\u00eau t\u1ed1n n\u0103ng l\u01b0\u1ee3ng.\n<\/p>\n\n\n\n
– Tr\u00ean m\u00e0ng t\u1ebf b\u00e0o c\u00f3 c\u00e1c b\u01a1m \u1ee9ng v\u1edbi c\u00e1c ch\u1ea5t c\u1ea7n v\u1eadn chuy\u1ec3n, n\u0103ng l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0 ATP.\n<\/p>\n\n\n\n
1. Nh\u1eadp b\u00e0o<\/strong> <\/p>\n\n\n\n – L\u00e0 ph\u01b0\u01a1ng th\u1ee9c \u0111\u01b0a c\u00e1c ch\u1ea5t v\u00e0o b\u00ean trong t\u1ebf b\u00e0o b\u1eb1ng c\u00e1ch l\u00e0m bi\u1ebfn d\u1ea1ng m\u00e0ng sinh ch\u1ea5t.\n<\/p>\n\n\n\n – G\u1ed3m 2 lo\u1ea1i:\n <\/p>\n\n\n\n + Th\u1ef1c b\u00e0o: l\u00e0 ph\u01b0\u01a1ng th\u1ee9c c\u00e1c t\u1ebf b\u00e0o \u0111\u1ed9ng v\u1eadt \u201c\u0103n\u201d c\u00e1c lo\u1ea1i th\u1ee9c \u0103n c\u00f3 k\u00edch th\u01b0\u1edbc l\u1edbn nh\u01b0 vi khu\u1ea9n, m\u1ea3nh v\u1ee1 t\u1ebf b\u00e0o\u2026\n<\/p>\n\n\n\n Di\u1ec5n bi\u1ebfn: M\u00e0ng t\u1ebf b\u00e0o l\u00f5m v\u00e0o b\u1ecdc l\u1ea5y th\u1ee9c \u0103n v\u00e0 \u0111\u01b0a th\u1ee9c \u0103n v\u00e0o \ntrong t\u1ebf b\u00e0o, sau \u0111\u00f3 liz\u00f4zim v\u00e0 enzim c\u00f3 t\u00e1c d\u1ee5ng ti\u00eau h\u00f3a th\u1ee9c \u0103n.\n <\/p>\n\n\n\n + \u1ea8m b\u00e0o: l\u00e0 ph\u01b0\u01a1ng th\u1ee9c v\u1eadn chuy\u1ec3n c\u00e1c gi\u1ecdt d\u1ecbch v\u00e0o trong t\u1ebf b\u00e0o\n<\/p>\n\n\n\n 2. Xu\u1ea5t b\u00e0o<\/strong> <\/p>\n\n\n\n – L\u00e0 ph\u01b0\u01a1ng th\u1ee9c \u0111\u01b0a c\u00e1c ch\u1ea5t ra b\u00ean ngo\u00e0i t\u1ebf b\u00e0o b\u1eb1ng c\u00e1ch l\u00e0m bi\u1ebfn d\u1ea1ng m\u00e0ng sinh ch\u1ea5t.<\/p>\n","protected":false},"excerpt":{"rendered":" L\u00fd thuy\u1ebft Sinh h\u1ecdc 10 B\u00e0i 11: V\u1eadn chuy\u1ec3n c\u00e1c ch\u1ea5t qua m\u00e0ng sinh ch\u1ea5t I. V\u1eadn chuy\u1ec3n th\u1ee5 \u0111\u1ed9ng – L\u00e0 ph\u01b0\u01a1ng th\u1ee9c v\u1eadn chuy\u1ec3n c\u00e1c ch\u1ea5t d\u1ef1a theo nguy\u00ean l\u00ed khu\u1ebfch t\u00e1n c\u1ee7a c\u00e1c ch\u1ea5t t\u1eeb n\u01a1i c\u00f3 n\u1ed3ng \u0111\u1ed9 cao, \u0111\u1ebfn n\u01a1i c\u00f3 n\u1ed3ng \u0111\u1ed9 th\u1ea5p. – Kh\u00f4ng ti\u00eau t\u1ed1n n\u0103ng l\u01b0\u1ee3ng […]<\/p>\n","protected":false},"author":12,"featured_media":44019,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[1644],"tags":[],"yoast_head":"\n