Ch\u01b0\u01a1ng II - B\u00e0i 28: \u0110i\u1ec7n th\u1ebf ngh\u1ec9<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lop12.edu.vn\/chuong-ii-bai-28-dien-the-nghi\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ch\u01b0\u01a1ng II - B\u00e0i 28: \u0110i\u1ec7n th\u1ebf ngh\u1ec9\" \/>\n<meta property=\"og:description\" content=\"B\u00e0i 1 (trang 116 SGK Sinh 11):\u00a0\u0110i\u1ec7n th\u1ebf ngh\u1ec9 l\u00e0 g\u00ec? \u0110i\u1ec7n th\u1ebf ngh\u1ec9 \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh nh\u01b0 th\u1ebf n\u00e0o? 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B\u00e0i 1 (trang 116 SGK Sinh 11):<\/b>\u00a0\u0110i\u1ec7n th\u1ebf ngh\u1ec9 l\u00e0 g\u00ec? \u0110i\u1ec7n th\u1ebf ngh\u1ec9 \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh nh\u01b0 th\u1ebf n\u00e0o?<\/p>\n

– \u0110i\u1ec7n th\u1ebf ngh\u1ec9 l\u00e0 s\u1ef1 ch\u00eanh l\u1ec7ch v\u1ec1 \u0111i\u1ec7n th\u1ebf gi\u1eefa hai b\u00ean m\u00e0ng t\u1ebf b\u00e0o khi t\u1ebf b\u00e0o kh\u00f4ng b\u1ecb k\u00edch th\u00edch, ph\u00eda b\u00ean trong m\u00e0ng mang \u0111i\u1ec7n \u00e2m so v\u1edbi ph\u00eda ngo\u00e0i m\u00e0ng mang \u0111i\u1ec7n d\u01b0\u01a1ng.<\/p>\n

+ N\u1ed3ng \u0111\u1ed9 ion K^{+<\/sup>\u00a0\u1edf b\u00ean trong m\u00e0ng t\u1ebf b\u00e0o cao h\u01a1n b\u00ean ngo\u00e0i m\u00e0ng t\u1ebf b\u00e0o, n\u1ed3ng \u0111\u1ed9 ion Na^{+<\/sup>\u00a0\u1edf b\u00ean ngo\u00e0i m\u00e0ng t\u1ebf b\u00e0o cao h\u01a1n \u1edf b\u00ean trong m\u00e0ng t\u1ebf b\u00e0o.<\/p>\n}}

+ Tr\u00ean m\u00e0ng t\u1ebf b\u00e0o: c\u1ed5ng K^{+<\/sup>\u00a0m\u1edf, c\u1ed5ng Na^{+<\/sup>\u00a0\u0111\u00f3ng, ion K^{+<\/sup>\u00a0\u1edf m\u1eb7t trong m\u00e0ng di chuy\u1ec3n ra b\u00ean ngo\u00e0i m\u00e0ng v\u00e0 n\u1eb1m s\u00e1t m\u00e0ng t\u1ebf b\u00e0o l\u00e0m cho m\u1eb7t ngo\u00e0i m\u00e0ng t\u1ebf b\u00e0o t\u00edch \u0111i\u1ec7n d\u01b0\u01a1ng, m\u1eb7t trong m\u00e0ng t\u1ebf b\u00e0o t\u00edch \u0111i\u1ec7n \u00e2m.<\/p>\n}}}

+ B\u01a1m Na – K v\u1eadn chuy\u1ec3n K^{+<\/sup>\u00a0t\u1eeb b\u00ean ngo\u00e0i m\u00e0ng v\u00e0o b\u00ean trong m\u00e0ng, gi\u00fap duy tr\u00ec n\u1ed3ng \u0111\u1ed9 K^{+<\/sup>\u00a0b\u00ean trong m\u00e0ng cao h\u01a1n b\u00ean ngo\u00e0i m\u00e0ng .<\/p>\n}}

B\u00e0i 2 (trang 116 SGK Sinh 11):<\/b>\u00a0\u0110\u00e1nh d\u1ea5u X v\u00e0o \u00f4 \u25ad cho \u00fd tr\u1ea3 l\u1eddi \u0111\u00fang v\u1ec1 \u0111i\u1ec7n th\u1ebf ngh\u1ec9.<\/p>\n

M\u1eb7t ngo\u00e0i c\u1ee7a m\u00e0ng t\u1ebf b\u00e0o th\u1ea7n kinh \u1edf tr\u1ea1ng th\u00e1i ngh\u1ec9 ng\u01a1i (kh\u00f4ng h\u01b0ng ph\u1ea5n) t\u00edch \u0111i\u1ec7n:<\/p>\n

<\/div>\n","protected":false},"excerpt":{"rendered":"
B\u00e0i 1 (trang 116 SGK Sinh 11):\u00a0\u0110i\u1ec7n th\u1ebf ngh\u1ec9 l\u00e0 g\u00ec? \u0110i\u1ec7n th\u1ebf ngh\u1ec9 \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh nh\u01b0 th\u1ebf n\u00e0o? L\u1eddi gi\u1ea3i: – \u0110i\u1ec7n th\u1ebf ngh\u1ec9 l\u00e0 s\u1ef1 ch\u00eanh l\u1ec7ch v\u1ec1 \u0111i\u1ec7n th\u1ebf gi\u1eefa hai b\u00ean m\u00e0ng t\u1ebf b\u00e0o khi t\u1ebf b\u00e0o kh\u00f4ng b\u1ecb k\u00edch th\u00edch, ph\u00eda b\u00ean trong m\u00e0ng mang \u0111i\u1ec7n \u00e2m so v\u1edbi […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[1324],"tags":[1486,1485],"yoast_head":"\nCh\u01b0\u01a1ng II - B\u00e0i 28: \u0110i\u1ec7n th\u1ebf ngh\u1ec9<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lop12.edu.vn\/chuong-ii-bai-28-dien-the-nghi\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ch\u01b0\u01a1ng II - B\u00e0i 28: \u0110i\u1ec7n th\u1ebf ngh\u1ec9\" \/>\n<meta property=\"og:description\" content=\"B\u00e0i 1 (trang 116 SGK Sinh 11):\u00a0\u0110i\u1ec7n th\u1ebf ngh\u1ec9 l\u00e0 g\u00ec? \u0110i\u1ec7n th\u1ebf ngh\u1ec9 \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh nh\u01b0 th\u1ebf n\u00e0o? 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