T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 2 – Arkady Leokum theo c\u00e1c thuy\u1ebft khoa h\u1ecdc, \u0111\u00e3 c\u00f3 th\u1eddi m\u1eb7t \u0111\u1ea5t n\u00e0y ch\u1eb3ng c\u00f3 c\u00e2y c\u1ecf g\u00ec h\u1ebft. H\u00e0ng tr\u0103m tri\u1ec7u n\u0103m tr\u00f4i qua nh\u01b0 v\u1eady, \u0111\u1ebfn m\u1ed9t th\u1eddi \u0111i\u1ec3m n\u00e0o \u0111\u00f3, xu\u1ea5t hi\u1ec7n nh\u1eefng h\u1ea1t nguy\u00ean sinh ch\u1ea5t (protoplasm) nh\u1ecf li ti. \u201cNguy\u00ean Sinh Ch\u1ea5t\u201d l\u00e0 t\u1eeb d\u00f9ng \u0111\u1ec3 g\u1ecdi nh\u1eefng \u201cch\u1ea5t li\u1ec7u s\u1ed1ng\u201d \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong c\u1ea3 \u0111\u1ed9ng v\u00e0 th\u1ef1c v\u1eadt. theo c\u00e1c l\u00fd thuy\u1ebft khoa h\u1ecdc n\u00e0y th\u00ec nh\u1eefng h\u1ea1t nguy\u00ean sinh ch\u1ea5t \u1ea5y l\u00e0 kh\u1edfi nguy\u00ean c\u1ee7a m\u1ecdi lo\u00e0i \u0111\u1ed9ng v\u00e0 th\u1ef1c v\u1eadt.<\/p>\n\n\n\n
H\u1ea1t nguy\u00ean sinh tr\u1edf th\u00e0nh th\u1ef1c v\u1eadt b\u1eb1ng c\u00e1ch ph\u00e1t tri\u1ec3n c\u00e1i \u201cth\u00e0nh\u201d hay c\u00e1i v\u1ecf c\u1ee7a ch\u00fang, \u0111\u1ed3ng th\u1eddi b\u00e1m ch\u1eb7t v\u00e0o m\u1ed9t ch\u1ed7. Ch\u00fang c\u0169ng ph\u00e1t tri\u1ec3n m\u1ed9t ch\u1ea5t m\u00e0u l\u1ee5c m\u00e0 ta g\u1ecdi l\u00e0 \u201cdi\u1ec7p l\u1ee5c t\u1ed1\u201d (chlorophyll). Ch\u1ea5t n\u00e0y gi\u00fap cho ch\u00fang d\u00f9ng kh\u00f4ng kh\u00ed, n\u01b0\u1edbc v\u00e0 \u0111\u1ea5t \u0111\u1ec3 ch\u1ebf bi\u1ebfn th\u00e0nh th\u1ee9c \u0103n. Nh\u1eefng c\u00e2y xanh tho\u1ea1t k\u1ef3 th\u1ee7y ch\u1ec9 l\u00e0 m\u1ed9t \u0111\u01a1n b\u00e0o, l\u1ea7n l\u1ea7n ch\u00fang k\u1ebft h\u1ee3p th\u00e0nh m\u1ed9t nh\u00f3m th\u1ef1c v\u1eadt. V\u00ec ch\u01b0a c\u00f3 ph\u01b0\u01a1ng ti\u1ec7n t\u1ef1 v\u1ec7 tr\u01b0\u1edbc s\u1ef1 kh\u00f4 h\u1ea1n, cho n\u00ean nh\u1eefng th\u1ef1c v\u1eadt kh\u1edfi nguy\u00ean n\u00e0y ph\u1ea3i s\u1ed1ng trong m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc. Cho m\u00e3i \u0111\u1ebfn t\u1eadn ng\u00e0y nay m\u00e0 v\u1eabn c\u00f3 m\u1ed9t v\u00e0i \u201ch\u1eadu du\u1ec7\u201d c\u1ee7a th\u1ef1c v\u1eadt nguy\u00ean th\u1ee7y n\u00e0y dai d\u1eb3ng t\u1ed3n t\u1ea1i sau khi \u0111\u00e3 thay \u0111\u1ed5i ch\u00fat \u00edt. Ch\u00fang \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201ct\u1ea3o\u201d. C\u0169ng c\u00f3 m\u1ed9t nh\u00f3m th\u1ef1c v\u1eadt kh\u00e1c ph\u00e1t tri\u1ec3n v\u00e0 t\u1ef1 ch\u1ebf t\u1ea1o ra th\u1ee9c \u0103n m\u00e0 kh\u00f4ng c\u1ea7n t\u1edbi ch\u1ea5t di\u1ec7p l\u1ee5c t\u1ed1. th\u1ef1c v\u1eadt kh\u00f4ng c\u00f3 m\u00e0u xanh n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201cn\u1ea5m\u201d.<\/p>\n\n\n\n
H\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i th\u1ea3o m\u1ed9c tr\u00ean m\u1eb7t \u0111\u1ea5t ng\u00e0y nay \u0111\u1ec1u ph\u00e1t sinh t\u1eeb \u201ct\u1ea3o\u201d. m\u1ed9t v\u00e0i th\u1ee9 t\u1ea3o, l\u00fac \u0111\u1ea7u, \u0111\u00e3 t\u1eeb \u0111\u1ea1i d\u01b0\u01a1ng \u201cb\u00f2\u201d l\u00ean c\u1ea1n, sa r\u1ec5 v\u00e0 b\u00e1m v\u00e0o m\u1eb7t \u0111\u1ea5t. Ch\u00fang ph\u00e1t tri\u1ec3n l\u1edbp v\u1ecf b\u1ecdc ngo\u00e0i che ch\u1edf cho ch\u00fang kh\u1ecfi s\u1ef1 kh\u00f4 h\u1ea1n th\u00e0nh nh\u1eefng c\u00e1i l\u00e1 nh\u1ecf li ti. th\u1ef1c v\u1eadt n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 r\u00eau hay d\u01b0\u01a1ng x\u1ec9. t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i th\u1ef1c v\u1eadt s\u01a1 khai n\u00e0y \u0111\u1ec1u sinh s\u1ea3n b\u1eb1ng c\u00e1ch ph\u00e2n b\u00e0o hay b\u1eb1ng c\u00e1c m\u1ea7m. m\u1ea7m l\u00e0 nh\u1eefng h\u1eadt t\u1ebf b\u00e0o t\u01b0\u01a1ng t\u1ef1 nh\u01b0 m\u1ea7m trong h\u1ea1t gi\u1ed1ng nh\u01b0ng kh\u00f4ng ch\u1ee9a \u201cl\u01b0\u01a1ng th\u1ef1c\u201d nh\u01b0 h\u1ea1t gi\u1ed1ng. Sau m\u1ed9t th\u1eddi gian d\u00e0i, nh\u1eefng t\u1ebf b\u00e0o h\u1ea1t n\u00e0y ph\u00e1t tri\u1ec3n hoa v\u00e0 t\u1ea1o th\u00e0nh h\u1ea1t gi\u1ed1ng. Sau \u0111\u00f3, c\u00f3 hai th\u1ef1c v\u1eadt c\u00f3 h\u1ea1t gi\u1ed1ng \u0111\u00e3 xu\u1ea5t hi\u1ec7n. \u0111\u00f3 l\u00e0 lo\u1ea1i hi\u1ec3n hoa b\u00ed t\u1eed v\u00e0 hi\u1ec3n hoa kh\u1ecfa t\u1eed. t\u1eeb hai lo\u1ea1i n\u00e0y ph\u00e1t tri\u1ec3n th\u00e0nh c\u00e1c th\u1ee9 c\u1ecf c\u00e2y tr\u00ean tr\u00e1i \u0111\u1ea5t ng\u00e0y nay.<\/p>\n","protected":false},"excerpt":{"rendered":"
T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 2 – Arkady Leokum theo c\u00e1c thuy\u1ebft khoa h\u1ecdc, \u0111\u00e3 c\u00f3 th\u1eddi m\u1eb7t \u0111\u1ea5t n\u00e0y ch\u1eb3ng c\u00f3 c\u00e2y c\u1ecf g\u00ec h\u1ebft. H\u00e0ng tr\u0103m tri\u1ec7u n\u0103m tr\u00f4i qua nh\u01b0 v\u1eady, \u0111\u1ebfn m\u1ed9t th\u1eddi \u0111i\u1ec3m n\u00e0o \u0111\u00f3, xu\u1ea5t hi\u1ec7n nh\u1eefng h\u1ea1t nguy\u00ean sinh ch\u1ea5t (protoplasm) […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15],"tags":[],"class_list":["post-13944","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/13944","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=13944"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/13944\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=13944"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=13944"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=13944"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}