Trong v\u01b0\u01a1ng qu\u1ed1c c\u1ee7a sinh v\u1eadt c\u00f3 m\u1ed9t lo\u1ea1i sinh v\u1eadt \u0111\u01a1n b\u00e0o \u0111\u1eb7c bi\u1ec7t nh\u1ecf, do v\u1eady c\u00e1c nh\u00e0 khoa h\u1ecdc g\u1ecdi ch\u00fang l\u00e0 vi sinh v\u1eadt.<\/p>\n\n\n\n
Vi sinh v\u1eadt ngo\u00e0i c\u00e1 th\u1ec3 nh\u1ecf ra, c\u00f2n c\u00f3 \u0111i\u1ec3m n\u00e0o kh\u00e1c n\u1eefa? Th\u1ee9 nh\u1ea5t, vi sinh v\u1eadt c\u00f3 kh\u1ea3 n\u0103ng sinh s\u00f4i \u0111\u00e1ng kinh ng\u1ea1c, ch\u1ec9 c\u1ea7n \u0111i\u1ec1u ki\u1ec7n th\u00edch h\u1ee3p, trong th\u1eddi gian 20 ph\u00fat, th\u1eadm ch\u00ed ng\u1eafn h\u01a1n, n\u00f3 c\u00f3 th\u1ec3 sinh ra m\u1ed9t th\u1ebf h\u1ec7 m\u1edbi. N\u1ebfu nh\u01b0 kh\u00f4ng c\u00f3 s\u1ef1 h\u1ea1n ch\u1ebf c\u1ee7a \u0111i\u1ec1u ki\u1ec7n t\u1ef1 nhi\u00ean, m\u1ed9t vi sinh v\u1eadt ch\u1ec9 c\u1ea7n sinh s\u00f4i trong th\u1eddi gian 2 ng\u00e0y, con ch\u00e1u \u0111\u1eddi sau t\u1eadp h\u1ee3p l\u1ea1i th\u00ec tr\u00ean Tr\u00e1i \u0110\u1ea5t n\u00e0y c\u00f3 nhi\u1ec1u \u0111\u1ebfn m\u1ee9c kh\u00f4ng th\u1ec3 t\u01b0\u1edfng t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c, s\u1ee9c sinh s\u00f4i qu\u00e1 l\u1edbn nh\u01b0 v\u1eady l\u00e0 s\u1ef1 l\u1ea1c h\u1eadu c\u1ee7a c\u00e1c vi sinh v\u1eadt.<\/p>\n\n\n\n
Kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng sinh t\u1ed3n c\u1ee7a c\u00e1c vi sinh v\u1eadt c\u0169ng v\u01b0\u1ee3t xa c\u00e1c sinh v\u1eadt kh\u00e1c. V\u00ed d\u1ee5, c\u00f3 m\u1ed9t lo\u1ea1i vi khu\u1ea9n c\u00f3 th\u1ec3 ti\u1ebfn h\u00e0nh t\u00e1c d\u1ee5ng quang h\u1ee3p d\u01b0\u1edbi \u00e1nh s\u00e1ng M\u1eb7t Tr\u1eddi, c\u00f3 th\u1ec3 s\u1ed1ng kh\u00f4ng d\u1ef1a v\u00e0o kh\u00ed oxi, nh\u01b0ng m\u1ed9t khi \u0111\u1ec3 ch\u00fang trong m\u00f4i tr\u01b0\u1eddng t\u1ed1i th\u00ec ch\u00fang c\u00f3 th\u1ec3 l\u1eadp t\u1ee9c thay \u0111\u1ed5i l\u1ee3i d\u1ee5ng kh\u00ed oxi \u0111\u1ec3 s\u1ed1ng. N\u1ebfu nh\u01b0 \u0111\u1eb7t ch\u00fang ra n\u01a1i c\u00f3 \u00e1nh s\u00e1ng th\u00ec ch\u00fang l\u1ea1i c\u00f3 th\u1ec3 l\u1eadp t\u1ee9c ti\u1ebfn h\u00e0nh t\u00e1c d\u1ee5ng quang h\u1ee3p, s\u1ed1ng kh\u00f4ng c\u1ea7n kh\u00ed oxi.<\/p>\n\n\n\n
C\u00e1c nh\u00e0 khoa h\u1ecdc khi nghi\u00ean c\u1ee9u kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng c\u1ee7a c\u00e1c vi sinh v\u1eadt \u0111\u00e3 ph\u00e1t hi\u1ec7n m\u1ed9t khi ch\u1ea5t dinh d\u01b0\u1ee1ng m\u00e0 ch\u00fang h\u1ea5p thu c\u00f3 thay \u0111\u1ed5i th\u00ec n\u00f3 s\u1ebd ph\u00e1t sinh bi\u1ebfn h\u00f3a t\u01b0\u01a1ng \u1ee9ng trong 1\/1000 gi\u00e2y.<\/p>\n\n\n\n
N\u1ebfu nh\u01b0 \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng thay \u0111\u1ed5i x\u1ea5u \u0111i nhanh ch\u00f3ng th\u00ec c\u00f3 m\u1ed9t s\u1ed1 vi sinh v\u1eadt s\u1ebd \u0111i v\u00e0o tr\u1ea1ng th\u00e1i ng\u1ee7 \u0111\u00f4ng \u0111\u1ec3 ch\u1ed1ng l\u1ea1i m\u00f4i tr\u01b0\u1eddng t\u1ed3i t\u1ec7 b\u00ean ngo\u00e0i, ch\u1edd \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n th\u00ec n\u00f3 s\u1ebd t\u1ec9nh l\u1ea1i. V\u00ed d\u1ee5 nh\u01b0 b\u00e0o t\u1eed vi khu\u1ea9n n\u1eb1m \u1edf tr\u1ea1ng th\u00e1i ng\u1ee7 \u0111\u00f4ng, kh\u00f4ng s\u1ee3 nhi\u1ec7t \u0111\u1ed9 cao, \u00e1p su\u1ea5t cao, kh\u00f4 v\u00e0 \u0111\u00f3i, c\u00f3 th\u1ec3 n\u00f3i l\u00e0 b\u00e0o t\u1eed h\u1ea7u nh\u01b0 c\u00f3 th\u1ec3 sinh t\u1ed3n d\u01b0\u1edbi b\u1ea5t k\u00ec \u0111i\u1ec1u ki\u1ec7n t\u1ed3i t\u1ec7 n\u00e0o.<\/p>\n\n\n\n
Vi sinh v\u1eadt c\u00f2n c\u00f3 m\u1ed9t \u0111\u1eb7c tr\u01b0ng k\u00ec di\u1ec7u l\u00e0 d\u1ec5 thay \u0111\u1ed5i, c\u0169ng c\u00f3 th\u1ec3 n\u00f3i l\u00e0 ch\u00fang d\u1ec5 thay \u0111\u1ed5i theo s\u1ef1 thay \u0111\u1ed5i c\u1ee7a t\u1ef1 nhi\u00ean, l\u00e0m cho ch\u00fang c\u00f3 th\u1ec3 an c\u01b0 l\u1ea1c nghi\u1ec7p trong m\u00f4i tr\u01b0\u1eddng m\u00e0 c\u00e1c sinh v\u1eadt kh\u00e1c kh\u00f4ng th\u1ec3 t\u1ed3n t\u1ea1i \u0111\u01b0\u1ee3c. V\u00ed d\u1ee5, c\u00f3 m\u1ed9t s\u1ed1 vi sinh v\u1eadt c\u00f3 th\u1ec3 s\u1ed1ng trong n\u01b0\u1edbc n\u00f3ng 90oC ho\u1eb7c trong axit sunfuric lo\u00e3ng v\u00e0 axit clohi\u0111ric lo\u00e3ng. Ch\u00ednh v\u00ec v\u1eady c\u00e1c vi sinh v\u1eadt nh\u1ecf b\u00e9 m\u1edbi tr\u1edf th\u00e0nh m\u1ed9t lo\u1ea1i sinh v\u1eadt ph\u00e2n b\u1ed1 r\u1ed9ng r\u00e3i nh\u1ea5t tr\u00ean Tr\u00e1i \u0110\u1ea5t.<\/p>\n","protected":false},"excerpt":{"rendered":"
Trong v\u01b0\u01a1ng qu\u1ed1c c\u1ee7a sinh v\u1eadt c\u00f3 m\u1ed9t lo\u1ea1i sinh v\u1eadt \u0111\u01a1n b\u00e0o \u0111\u1eb7c bi\u1ec7t nh\u1ecf, do v\u1eady c\u00e1c nh\u00e0 khoa h\u1ecdc g\u1ecdi ch\u00fang l\u00e0 vi sinh v\u1eadt. Vi sinh v\u1eadt ngo\u00e0i c\u00e1 th\u1ec3 nh\u1ecf ra, c\u00f2n c\u00f3 \u0111i\u1ec3m n\u00e0o kh\u00e1c n\u1eefa? Th\u1ee9 nh\u1ea5t, vi sinh v\u1eadt c\u00f3 kh\u1ea3 n\u0103ng sinh s\u00f4i \u0111\u00e1ng kinh ng\u1ea1c, […]<\/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":[15,10],"tags":[],"class_list":["post-8222","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-sinh-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8222","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=8222"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8222\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=8222"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=8222"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=8222"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}