L\u00fd thuy\u1ebft Sinh h\u1ecdc 10 B\u00e0i 28: Th\u1ef1c h\u00e0nh: Quan s\u00e1t m\u1ed9t s\u1ed1 vi sinh v\u1eadt<\/h2>\n\n\n\n

I. M\u1ee5c ti\u00eau b\u00e0i h\u1ecdc<\/h3>\n\n\n\n

– Nh\u1eadn d\u1ea1ng \u0111\u01b0\u1ee3c h\u00ecnh d\u1ea1ng vi khu\u1ea9nlactic trong v\u00e1ng d\u01b0a chua \n<\/p>\n\n\n\n

– Quan s\u00e1t \u0111\u01b0\u1ee3c h\u00ecnh \u1ea3nh v\u1ec1 n\u1ea5m men.\n<\/p>\n\n\n\n

– Quan s\u00e1t \u0111\u01b0\u1ee3c h\u00ecnh \u1ea3nh v\u1ec1 n\u1ea5m m\u1ed1c.\n<\/p>\n\n\n\n

II. Chu\u1ea9n b\u1ecb<\/h3>\n\n\n\n

1. D\u1ee5ng c\u1ee5<\/strong> <\/p>\n\n\n\n

– K\u00ednh hi\u1ec3n vi, lam k\u00ednh, lamen.\n<\/p>\n\n\n\n

– Que c\u1ea5y, \u0111\u00e8n c\u1ed3n, ch\u1eadu \u0111\u1ef1ng n\u01b0\u1edbc r\u1eeda, pipet, gi\u1ea5y l\u1ecdc c\u1eaft nh\u1ecf.\n<\/p>\n\n\n\n

2. Thu\u1ed1c nhu\u1ed9m<\/strong> <\/p>\n\n\n\n

– Thu\u1ed1c nhu\u1ed9m xanh metilen, thu\u1ed1c \u0111\u1ecf, etanol 90%.\n<\/p>\n\n\n\n

– Pha dung d\u1ecbch g\u1ed1c v\u1edbi n\u01b0\u1edbc c\u1ea5t v\u00f4 tr\u00f9ng theo t\u1ec9 l\u1ec7 nh\u1ea5t \u0111\u1ecbnh.\n<\/p>\n\n\n\n

3. M\u1eabu v\u1eadt<\/strong> <\/p>\n\n\n\n

– N\u1ea5m men: n\u1ea5m men r\u01b0\u1ee3u, b\u00e1nh men t\u00e1n nh\u1ecf.\n<\/p>\n\n\n\n

– N\u1ea5m m\u1ed1c: \u0111\u1ec3 qu\u1ea3 cam hay qu\u00fdt \u1edf n\u01a1i \u1ea9m tr\u01b0\u1edbc 1 tu\u1ea7n.\n<\/p>\n\n\n\n

– Vi khu\u1ea9n lactic trong v\u00e1ng d\u01b0a.\n<\/p>\n\n\n\n

III. Ti\u1ebfn h\u00e0nh th\u00ed nghi\u1ec7m<\/h3>\n\n\n\n

1. Nhu\u1ed9m \u0111\u01a1n ph\u00e1t hi\u1ec7n vi sinh v\u1eadt trong khoang mi\u1ec7ng<\/strong> <\/p>\n\n\n\n

– Nh\u1ecf m\u1ed9t gi\u1ecdt n\u01b0\u1edbc l\u00ean phi\u1ebfn k\u00ednh\n<\/p>\n\n\n\n

– D\u00f9ng t\u0103m tre l\u1ea5y m\u1ed9t \u00edt b\u1ef1a r\u0103ng \u1edf trong mi\u1ec7ng\n<\/p>\n\n\n\n

– \u0110\u1eb7t b\u1ef1a r\u0103ng v\u00e0o c\u1ea1nh gi\u1ecdt n\u01b0\u1edbc, l\u00e0m th\u00e0nh d\u1ecbch huy\u1ec1n ph\u00f9, d\u00e0n m\u1ecfng.\n<\/p>\n\n\n\n

– hong kh\u00f4 t\u1ef1 nhi\u00ean ho\u1eb7c h\u01a1 nh\u1eb9 v\u00e0i l\u01b0\u1ee3t ph\u00eda tr\u00ean cao c\u1ea3u ng\u1ecdn l\u1eeda \u0111\u00e8n c\u1ed3n.\n<\/p>\n\n\n\n

– \u0110\u1eb7t mi\u1ebfng gi\u1ea5y l\u1ecdc l\u00ean ti\u00eau b\u1ea3n v\u00e0 nh\u1ecf m\u1ed9t gi\u1ecdt d\u1ecbch thu\u1ed1c nhu\u1ed9m l\u00ean tr\u00ean gi\u1ea5y l\u1ecdc, \u0111\u1ec3 15-20 gi\u00e2y, r\u1ed3i b\u1ecf gi\u1ea5y l\u1ecdc ra.\n<\/p>\n\n\n\n

– R\u1eeda nh\u1eb9 ti\u00eau b\u1ea3n b\u1eb1ng n\u01b0\u1edbc c\u1ea5t, hong kh\u00f4 v\u00e0 soi k\u00ednh.\n<\/p>\n\n\n\n

2. Nhu\u1ed9m \u0111\u01a1n ph\u00e1t hi\u1ec7n t\u1ebf b\u00e0o n\u1ea5m men<\/strong> <\/p>\n\n\n\n

– Ti\u1ebfn h\u00e0nh t\u01b0\u01a1ng t\u1ef1 nh\u01b0u th\u00ed nghi\u1ec7m 1 ch\u1ec9 kh\u00e1c m\u1eabu v\u1eadt l\u00e0 d\u1ecbch n\u1ea5m men \u0111\u00e3 chu\u1ea9n b\u1ecb.<\/p>\n\n\n\n

<\/figure><\/div>\n","protected":false},"excerpt":{"rendered":"

L\u00fd thuy\u1ebft Sinh h\u1ecdc 10 B\u00e0i 28: Th\u1ef1c h\u00e0nh: Quan s\u00e1t m\u1ed9t s\u1ed1 vi sinh v\u1eadt I. M\u1ee5c ti\u00eau b\u00e0i h\u1ecdc – Nh\u1eadn d\u1ea1ng \u0111\u01b0\u1ee3c h\u00ecnh d\u1ea1ng vi khu\u1ea9nlactic trong v\u00e1ng d\u01b0a chua – Quan s\u00e1t \u0111\u01b0\u1ee3c h\u00ecnh \u1ea3nh v\u1ec1 n\u1ea5m men. – Quan s\u00e1t \u0111\u01b0\u1ee3c h\u00ecnh \u1ea3nh v\u1ec1 n\u1ea5m m\u1ed1c. II. Chu\u1ea9n b\u1ecb 1. […]<\/p>\n","protected":false},"author":12,"featured_media":44072,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[1644],"tags":[],"yoast_head":"\n