T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 2 – Arkady Leokum<\/p>\n\n\n\n
Ph\u1ea3i ch\u0103ng \u0111\u00e3 c\u00f3 m\u1ed9t th\u1eddi tr\u00ean \u0111\u1ecba c\u1ea7u n\u00e0y ch\u1eb3ng c\u00f3 c\u00e2y c\u1ecf (th\u1ef1c v\u1eadt) n\u00e0o? theo c\u00e1c thuy\u1ebft khoa h\u1ecdc th\u00ec c\u00e2u tr\u1ea3 l\u1eddi l\u00e0 \u201cc\u00f3\u201d. C\u00e1ch nay h\u00e0ng tr\u0103m tri\u1ec7u n\u0103m \u0111\u00e3 c\u00f3 nh\u1eefng \u201ch\u1ea1t nguy\u00ean sinh ch\u1ea5t\u201d c\u1ef1c k\u1ef3 nh\u1ecf xu\u1ea5t hi\u1ec7n tr\u00ean \u0111\u1ecba c\u1ea7u. Nguy\u00ean sinh ch\u1ea5t \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong c\u1ea3 \u0111\u1ed9ng v\u00e0 th\u1ef1c v\u1eadt. theo c\u00e1c nh\u00e0 khoa h\u1ecdc th\u00ec c\u00e1c h\u1ea1t nguy\u00ean sinh ch\u1ea5t n\u00e0y l\u00e0 kh\u1edfi th\u1ee7y c\u1ee7a t\u1ea5t c\u1ea3 \u0111\u1ed9ng v\u1eadt v\u00e0 th\u1ef1c v\u1eadt.<\/p>\n\n\n\n
Nh\u1eefng h\u1ea1t nguy\u00ean sinh tr\u1edf th\u00e0nh th\u1ef1c v\u1eadt \u0111\u00e3 ph\u00e1t tri\u1ec3n c\u00e1c th\u00e0nh t\u1ebf b\u00e0o cho d\u1ea7y ra v\u00e0 tr\u1ee5 l\u1ea1i m\u1ed9t ch\u1ed7 (kh\u00f4ng di chuy\u1ec3n n\u1eefa). Ch\u00fang c\u0169ng ph\u00e1t tri\u1ec3n c\u00e1c ch\u1ea5t m\u00e0u xanh m\u00e0 ta g\u1ecdi l\u00e0 di\u1ec7p l\u1ee5c t\u1ed1 \u0111\u1ec3 ch\u1ebf bi\u1ebfn th\u1ee9c \u0103n r\u00fat t\u1eeb kh\u00f4ng kh\u00ed, n\u01b0\u1edbc v\u00e0 \u0111\u1ea5t. Nh\u1eefng th\u1ef1c v\u1eadt s\u01a1 th\u1ee7y ch\u1ec9 l\u00e0 nh\u1eefng \u0111\u01a1n b\u00e0o. Nh\u01b0ng v\u1ec1 sau ch\u00fang \u0111\u00e3 h\u00ecnh th\u00e0nh \u0111\u01b0\u1ee3c nh\u00f3m t\u1ebf b\u00e0o hay c\u00f2n g\u1ecdi l\u00e0 \u0111a b\u00e0o. Do ch\u01b0a \u0111\u1ee7 ph\u01b0\u01a1ng ti\u1ec7n \u0111\u1ed1i v\u1edbi tr\u1ea1ng th\u00e1i kh\u00f4 h\u1ea1n n\u00ean ch\u00fang v\u1eabn ph\u1ea3i s\u1ed1ng trong m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc. Cho \u0111\u1ebfn ng\u00e0y nay, m\u1ed9t v\u00e0i lo\u1ea1i th\u1ef1c v\u1eadt s\u01a1 th\u1ee7y n\u00e0y v\u1eabn c\u00f2n s\u1ed1ng s\u00f3t. t\u1ea5t nhi\u00ean l\u00e0 ch\u00fang ph\u1ea3i thay \u0111\u1ed5i \u201cb\u1ed9n\u201d m\u1edbi th\u00edch \u1ee9ng n\u1ed5i. Ch\u00fang \u0111\u01b0\u1ee3c \u0111\u1eb7t cho c\u00e1i t\u00ean l\u00e0 \u201ct\u1ea3o\u201d (alga). Rong ho\u1eb7c t\u1ea3o bi\u1ec3n l\u00e0 m\u1ed9t ki\u1ec3u m\u1eabu c\u1ee7a lo\u1ea1i th\u1ef1c v\u1eadt n\u00e0y. m\u1ed9t nh\u00f3m th\u1ef1c v\u1eadt ph\u00e1t tri\u1ec3n theo c\u00e1ch kh\u00f4ng c\u1ea7n d\u00f9ng t\u1edbi di\u1ec7p l\u1ee5c t\u1ed1 \u0111\u1ec3 ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m cho m\u00ecnh. Nh\u1eefng th\u1ef1c v\u1eadt kh\u00f4ng c\u00f3 di\u1ec7p l\u1ee5c t\u1ed1 n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi chung l\u00e0 n\u1ea5m m\u1ed1c! Lo\u1ea1i n\u00e0y bao g\u1ed3m vi khu\u1ea9n (bacteria), con men hay n\u1ea5m men (yeasts), meo (moulds) v\u00e0 n\u1ea5m (mushroom).<\/p>\n\n\n\n
H\u1ea7u h\u1ebft th\u1ef1c v\u1eadt tr\u00ean m\u1eb7t \u0111\u1ea5t ng\u00e0y nay \u0111\u1ec1u t\u1eeb t\u1ea3o ti\u1ebfn h\u00f3a m\u00e0 ra. m\u1ed9t v\u00e0i lo\u1ea1i t\u1ea3o n\u00e0y \u0111\u00e3 xu\u1ea5t ph\u00e1t t\u1eeb bi\u1ec3n v\u00e0 ph\u00e1t tri\u1ec3n r\u1ec5 \u0111\u1ec3 b\u00e1m v\u00e0o \u0111\u1ea5t. Ch\u00fang c\u0169ng ph\u00e1t tri\u1ec3n \u0111\u01b0\u1ee3c nh\u1eefng l\u00e1 nho nh\u1ecf c\u00f3 l\u1edbp \u201cda\u201d b\u00ean ngo\u00e0i \u0111\u1ec3 ch\u1ed1ng ch\u1ecdi v\u1edbi t\u00ecnh tr\u1ea1ng kh\u00f4 h\u1ea1n. Lo\u1ea1i th\u1ef1c v\u1eadt n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 r\u00eau v\u00e0 d\u01b0\u01a1ng x\u1ec9. t\u1ea5t c\u1ea3 m\u1ecdi th\u1ef1c v\u1eadt th\u1eddi nguy\u00ean th\u1ee7y n\u00e0y \u0111\u1ec1u sinh s\u1ea3n ho\u1eb7c b\u1eb1ng c\u00e1ch ph\u00e2n \u0111\u00f4i t\u1ebf b\u00e0o (nh\u01b0 tr\u01b0\u1eddng h\u1ee3p vi khu\u1ea9n ho\u1eb7c meo) ho\u1eb7c b\u1eb1ng b\u00e0o t\u1eed. B\u00e0o t\u1eed l\u00e0 nh\u1eefng t\u1ebf b\u00e0o li ti c\u00f3 ch\u1ee9c n\u0103ng g\u1ea7n gi\u1ed1ng nh\u01b0 m\u1ea7m h\u1ea1t gi\u1ed1ng, nh\u01b0ng kh\u00f4ng ch\u1ee9a c\u00e1c ch\u1ea5t b\u1ed5 d\u01b0\u1ee1ng \u0111\u1ec3 nu\u00f4i m\u1ea7m nh\u01b0 trong h\u1ea1t gi\u1ed1ng. L\u1ea7n l\u1ea7n m\u1ed9t v\u00e0i lo\u1ea1i th\u1ef1c v\u1eadt \u0111\u00e3 ph\u00e1t tri\u1ec3n \u0111\u01b0\u1ee3c hoa v\u00e0 t\u1ea1o ra \u0111\u01b0\u1ee3c h\u1ea1t gi\u1ed1ng. \u0111\u1ebfn giai \u0111o\u1ea1n n\u00e0y, th\u1ef1c v\u1eadt \u0111\u00e3 c\u00f3 \u0111\u01b0\u1ee3c nh\u1eefng b\u01b0\u1edbc ph\u00e1t tri\u1ec3n ngo\u1ea1n m\u1ee5c. Xu\u1ea5t hi\u1ec7n hai ki\u1ec3u th\u1ef1c v\u1eadt kh\u00e1c nhau v\u00e0 c\u0169ng c\u00f3 h\u1ea1t: lo\u1ea1i h\u1ea1t tr\u1ea7n v\u00e0 lo\u1ea1i h\u1ea1t k\u00edn. Hai ki\u1ec3u m\u1eabu n\u00e0y ph\u00e1t tri\u1ec3n th\u00e0nh nhi\u1ec1u d\u00f2ng kh\u00e1c nhau. D\u1ef1a theo d\u00f2ng n\u00e0y ta c\u00f3 th\u1ec3 \u0111i t\u1eeb nh\u1eefng lo\u1ea1i c\u00e2y ng\u00e0y nay \u0111\u1ec3 ng\u01b0\u1ee3c l\u00ean \u0111\u1ebfn ngu\u1ed3n g\u1ed1c nguy\u00ean th\u1ee7y c\u1ee7a n\u00f3, khi c\u00f2n l\u00e0 h\u1ea1t nguy\u00ean sinh. \u00cdt nh\u1ea5t th\u00ec \u0111\u00f3 c\u0169ng l\u00e0 m\u1ed9t l\u00fd thuy\u1ebft c\u1ee7a khoa h\u1ecdc th\u1ef1c v\u1eadt hi\u1ec7n \u0111\u1ea1i.<\/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 Ph\u1ea3i ch\u0103ng \u0111\u00e3 c\u00f3 m\u1ed9t th\u1eddi tr\u00ean \u0111\u1ecba c\u1ea7u n\u00e0y ch\u1eb3ng c\u00f3 c\u00e2y c\u1ecf (th\u1ef1c v\u1eadt) n\u00e0o? theo c\u00e1c thuy\u1ebft khoa h\u1ecdc th\u00ec c\u00e2u tr\u1ea3 l\u1eddi l\u00e0 \u201cc\u00f3\u201d. C\u00e1ch nay h\u00e0ng tr\u0103m tri\u1ec7u n\u0103m \u0111\u00e3 c\u00f3 nh\u1eefng \u201ch\u1ea1t nguy\u00ean […]<\/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-13754","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\/13754","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=13754"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/13754\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=13754"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=13754"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=13754"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}