\u00a0 \u00a0 * \u0110\u1ed9t bi\u1ebfn c\u1ea5u tr\u00fac NST g\u1ed3m 4 d\u1ea1ng:<\/strong><\/em><\/p>\n– M\u1ea5t \u0111o\u1ea1n: l\u00e0 d\u1ea1ng \u0111\u1ed9t bi\u1ebfn l\u00e0m m\u1ea5t \u0111i m\u1ed9t \u0111o\u1ea1n n\u00e0o \u0111\u00f3 c\u1ee7a NST. M\u1ea5t \u0111o\u1ea1n l\u00e0m gi\u1ea3m s\u1ed1 l\u01b0\u1ee3ng gen tr\u00ean NST, l\u00e0m m\u1ea5t c\u00e2n b\u1eb1ng gen n\u00ean th\u01b0\u1eddng g\u00e2y ch\u1ebft \u0111\u1ed1i v\u1edbi th\u1ec3 \u0111\u1ed9t bi\u1ebfn.<\/p>\n
V\u00ed d\u1ee5: m\u1ea5t 1 ph\u1ea7n vai ng\u1eafn NST s\u1ed1 5 g\u00e2y n\u00ean h\u1ed9i ch\u1ee9ng ti\u1ebfng m\u00e8o k\u00eau.<\/p>\n
– L\u1eb7p \u0111o\u1ea1n: l\u00e0 d\u1ea1ng \u0111\u1ed9t bi\u1ebfn l\u00e0m cho m\u1ed9t \u0111o\u1ea1n n\u00e0o \u0111\u00f3 c\u1ee7a NST c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i m\u1ed9t hay nhi\u1ec1u l\u1ea7n.<\/p>\n
V\u00ed d\u1ee5, \u1edf \u0111\u1ecba m\u1ea1ch c\u00f3 \u0111\u1ed9t bi\u1ebfn l\u1eb7p \u0111o\u1ea1n l\u00e0m t\u0103ng ho\u1ea1t t\u00ednh c\u1ee7a enzim amilaza, r\u1ea5t c\u00f3 \u00fd ngh\u0129a trong c\u00f4ng nghi\u1ec7p s\u1ea3n xu\u1ea5t bia.<\/p>\n
– \u0110\u1ea3o \u0111o\u1ea1n: l\u00e0 d\u1ea1ng \u0111\u1ed9t bi\u1ebfn l\u00e0m cho m\u1ed9t \u0111o\u1ea1n NST n\u00e0o \u0111\u00f3 \u0111\u1ee9t ra \u0111\u1ed3i \u0111\u1ea3o ng\u01b0\u1ee3c 180o<\/sup>\u00a0v\u00e0 n\u1ed1i l\u1ea1i.<\/p>\nV\u00ed d\u1ee5, \u1edf nhi\u1ec1u lo\u1ea1i mu\u1ed7i, qu\u00e1 tr\u00ecnh \u0111\u1ea3o \u0111o\u1ea1n \u0111\u01b0\u1ee3c l\u1eb7p \u0111i l\u1eb7p l\u1ea1i tr\u00ean c\u00e1c NST \u0111\u00e3 g\u00f3p ph\u1ea7n t\u1ea1o n\u00ean lo\u00e0i m\u1edbi.<\/p>\n
– Chuy\u1ec3n \u0111o\u1ea1n: l\u00e0 d\u1ea1ng \u0111\u1ed9t bi\u1ebfn d\u1eabn \u0111\u1ebfn s\u1ef1 trao \u0111\u1ed5i trong m\u1ed9t NST ho\u1eb7c gi\u1eefa c\u00e1c NST kh\u00f4ng t\u01b0\u01a1ng \u0111\u1ed3ng.<\/p>\n
V\u00ed d\u1ee5, m\u1ea5t m\u1ed9t ph\u1ea7n vai d\u00e0i NST s\u1ed1 22 g\u00e2y n\u00ean m\u1ed9t d\u1ea1ng ung th\u01b0 m\u00e1u \u00e1c t\u00ednh.<\/p>\n
\u00a0 \u00a0 * \u00dd ngh\u0129a:<\/strong><\/em><\/p>\n\u0110\u1ed9t bi\u1ebfn c\u1ea5u tr\u00fac NST \u0111\u1ec1u g\u00f3p ph\u1ea7n t\u1ea1o n\u00ean ngu\u1ed3n bi\u1ebfn d\u1ecb cho qu\u00e1 tr\u00ecnh ti\u1ebfn h\u00f3a.<\/p>\n
B\u00e0i 4 (trang 26 SGK Sinh h\u1ecdc 12):\u00a0T\u1ea1i sao ph\u1ea7n l\u1edbn c\u00e1c lo\u1ea1i \u0111\u1ed9t bi\u1ebfn c\u1ea5u tr\u00fac NST l\u00e0 c\u00f3 h\u1ea1i, th\u1eadm ch\u00ed g\u00e2y ch\u1ebft cho c\u00e1c th\u1ec3 \u0111\u1ed9t bi\u1ebfn?<\/strong><\/p>\nL\u1eddi gi\u1ea3i:<\/b><\/p>\n
\u0110\u1ed9t bi\u1ebfn c\u1ea5u tr\u00fac NST th\u01b0\u1eddng l\u00e0m h\u1ecfng c\u00e1c gen, l\u00e0m m\u1ea5t c\u00e2n b\u1eb1ng gen v\u00e0 t\u00e1i c\u1ea5u tr\u00fac l\u1ea1i c\u00e1c gen tr\u00ean NST n\u00ean th\u01b0\u1eddng g\u00e2y h\u1ea1i cho th\u1ec3 \u0111\u1ed9t bi\u1ebfn. Tr\u01b0\u1eddng h\u1ee3p c\u01a1 th\u1ec3 mang \u0111\u1ed9t bi\u1ebfn m\u1ea5t \u0111o\u1ea1n NST, l\u00e0m gi\u1ea3m s\u1ed1 l\u01b0\u1ee3ng gen tr\u00ean NST (m\u1ea5t c\u00e2n b\u1eb1ng gen) n\u00ean th\u01b0\u1eddng d\u1eabn \u0111\u1ebfn g\u00e2y ch\u1ebft \u0111\u1ed1i v\u1edbi th\u1ec3 \u0111\u1ed9t bi\u1ebfn. Tuy nhi\u00ean, c\u00e1c d\u1ea1ng \u0111\u1ed9t bi\u1ebfn c\u1ea5u tr\u00fac NST \u0111\u1ec1u g\u00f3p ph\u1ea7n t\u1ea1o n\u00ean ngu\u1ed3n nguy\u00ean li\u1ec7u cho qu\u00e1 tr\u00ecnh ti\u1ebfn h\u00f3a.<\/p>\n
\n
\n
B\u00e0i 5 (trang 26 SGK Sinh h\u1ecdc 12):\u00a0H\u00e3y ch\u1ecdn ph\u01b0\u01a1ng \u00e1n tr\u1ea3 l\u1eddi \u0111\u00fang nh\u1ea5t.<\/strong><\/p>\n\u00a0Hi\u1ec7n t\u01b0\u1ee3ng \u0111\u1ed9t bi\u1ebfn c\u1ea5u tr\u00fac NST do:<\/strong><\/p>\na) \u0110\u1ee9t g\u00e3y NST.<\/strong><\/p>\n\u00a0 \u00a0b) \u0110\u1ee9t g\u00e3y NST ho\u1eb7c \u0111\u1ee9t g\u00e3y r\u1ed3i t\u00e1i k\u1ebft h\u1ee3p kh\u00e1c th\u01b0\u1eddng.<\/strong><\/p>\n\u00a0 \u00a0c) Trao \u0111\u1ed5i ch\u00e9o kh\u00f4ng \u0111\u1ec1u.<\/strong><\/p>\n\u00a0 \u00a0d) C\u1ea3 b v\u00e0 c.<\/strong><\/p>\nL\u1eddi gi\u1ea3i:<\/b><\/p>\n
\u0110\u00e1p \u00e1n : d.<\/p>\n
<\/p>\n<\/div>\n<\/div>\n
<\/p>\n<\/div>\n<\/div>\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
B\u00e0i 1 (trang 26 SGK Sinh h\u1ecdc 12):\u00a0M\u00f4 t\u1ea3 c\u1ea5u tr\u00fac si\u00eau hi\u1ec3n vi c\u1ee7a NST \u1edf sinh v\u1eadt nh\u00e2n th\u1ef1c. L\u1eddi gi\u1ea3i: C\u1ea5u tr\u00fac si\u00eau hi\u1ec3n vi c\u1ee7a nhi\u1ec5m s\u1eafc th\u1ec3 \u1edf sinh v\u1eadt nh\u00e2n th\u1ef1c: M\u1ed7i NST ch\u1ee9a 1 ph\u00e2n t\u1eed ADN c\u00f3 th\u1ec3 d\u00e0i g\u1ea5p h\u00e0ng ng\u00e0n l\u1ea7n so v\u1edbi \u0111\u01b0\u1eddng k\u00ednh […]<\/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":[1307],"tags":[1397,1398],"yoast_head":"\n
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L\u1eddi gi\u1ea3i: C\u1ea5u tr\u00fac si\u00eau hi\u1ec3n vi c\u1ee7a nhi\u1ec5m s\u1eafc th\u1ec3 \u1edf sinh v\u1eadt nh\u00e2n th\u1ef1c: M\u1ed7i NST ch\u1ee9a 1 ph\u00e2n t\u1eed ADN c\u00f3 th\u1ec3 d\u00e0i g\u1ea5p h\u00e0ng ng\u00e0n l\u1ea7n so v\u1edbi \u0111\u01b0\u1eddng k\u00ednh […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/lop12.edu.vn\/phan-nam-chuong-1-bai-5-nhiem-sac-the-va-dot-bien-cau-truc-nhiem-sac-the\/\" \/>\n<meta property=\"og:site_name\" content=\"Lop12.edu.vn - C\u1ed9ng \u0111\u1ed3ng h\u1ecdc sinh l\u1edbp 12 l\u1edbn nh\u1ea5t t\u1ea1i Vi\u1ec7t Nam\" \/>\n<meta property=\"article:published_time\" content=\"2018-03-20T09:33:07+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2018-03-20T15:18:22+00:00\" \/>\n<meta name=\"author\" content=\"H\u00e0 Trang\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"H\u00e0 Trang\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/lop12.edu.vn\/phan-nam-chuong-1-bai-5-nhiem-sac-the-va-dot-bien-cau-truc-nhiem-sac-the\/\",\"url\":\"https:\/\/lop12.edu.vn\/phan-nam-chuong-1-bai-5-nhiem-sac-the-va-dot-bien-cau-truc-nhiem-sac-the\/\",\"name\":\"Ph\u1ea7n N\u0103m - Ch\u01b0\u01a1ng 1 - B\u00e0i 5: Nhi\u1ec5m s\u1eafc th\u1ec3 v\u00e0 \u0111\u1ed9t bi\u1ebfn c\u1ea5u tr\u00fac nhi\u1ec5m s\u1eafc th\u1ec3\",\"isPartOf\":{\"@id\":\"https:\/\/lop12.edu.vn\/#website\"},\"datePublished\":\"2018-03-20T09:33:07+00:00\",\"dateModified\":\"2018-03-20T15:18:22+00:00\",\"author\":{\"@id\":\"https:\/\/lop12.edu.vn\/#\/schema\/person\/2da855e5d06b553ac0065157cc261a45\"},\"breadcrumb\":{\"@id\":\"https:\/\/lop12.edu.vn\/phan-nam-chuong-1-bai-5-nhiem-sac-the-va-dot-bien-cau-truc-nhiem-sac-the\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/lop12.edu.vn\/phan-nam-chuong-1-bai-5-nhiem-sac-the-va-dot-bien-cau-truc-nhiem-sac-the\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/lop12.edu.vn\/phan-nam-chuong-1-bai-5-nhiem-sac-the-va-dot-bien-cau-truc-nhiem-sac-the\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/lop12.edu.vn\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Ph\u1ea7n N\u0103m – Ch\u01b0\u01a1ng 1 – B\u00e0i 5: Nhi\u1ec5m s\u1eafc th\u1ec3 v\u00e0 \u0111\u1ed9t bi\u1ebfn c\u1ea5u tr\u00fac nhi\u1ec5m s\u1eafc th\u1ec3\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/lop12.edu.vn\/#website\",\"url\":\"https:\/\/lop12.edu.vn\/\",\"name\":\"Lop12.edu.vn - C\u1ed9ng \u0111\u1ed3ng h\u1ecdc sinh l\u1edbp 12\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/lop12.edu.vn\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/lop12.edu.vn\/#\/schema\/person\/2da855e5d06b553ac0065157cc261a45\",\"name\":\"H\u00e0 Trang\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/lop12.edu.vn\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/545a8100db1147f314111301d261dc33?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/545a8100db1147f314111301d261dc33?s=96&d=mm&r=g\",\"caption\":\"H\u00e0 Trang\"},\"url\":\"https:\/\/lop12.edu.vn\/author\/trangvth2\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Ph\u1ea7n N\u0103m - Ch\u01b0\u01a1ng 1 - B\u00e0i 5: Nhi\u1ec5m s\u1eafc th\u1ec3 v\u00e0 \u0111\u1ed9t bi\u1ebfn c\u1ea5u tr\u00fac nhi\u1ec5m s\u1eafc th\u1ec3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/lop12.edu.vn\/phan-nam-chuong-1-bai-5-nhiem-sac-the-va-dot-bien-cau-truc-nhiem-sac-the\/","og_locale":"en_US","og_type":"article","og_title":"Ph\u1ea7n N\u0103m - Ch\u01b0\u01a1ng 1 - B\u00e0i 5: Nhi\u1ec5m s\u1eafc th\u1ec3 v\u00e0 \u0111\u1ed9t bi\u1ebfn c\u1ea5u tr\u00fac nhi\u1ec5m s\u1eafc th\u1ec3","og_description":"B\u00e0i 1 (trang 26 SGK Sinh h\u1ecdc 12):\u00a0M\u00f4 t\u1ea3 c\u1ea5u tr\u00fac si\u00eau hi\u1ec3n vi c\u1ee7a NST \u1edf sinh v\u1eadt nh\u00e2n th\u1ef1c. 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