L\u00fd thuy\u1ebft Sinh h\u1ecdc 10 B\u00e0i 27: C\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn sinh tr\u01b0\u1edfng c\u1ee7a vi sinh v\u1eadt<\/h2>\n\n\n\n

I. Ch\u1ea5t ho\u00e1 h\u1ecdc<\/h3>\n\n\n\n

1. Ch\u1ea5t dinh d\u01b0\u1ee1ng<\/strong> <\/p>\n\n\n\n

– C\u00e1c ch\u1ea5t h\u1eefu c\u01a1 nh\u01b0 cacbonhi\u0111rat, pr\u00f4t\u00eain, lipit \u2026 l\u00e0 c\u00e1c ch\u1ea5t dinh d\u01b0\u1ee1ng.\n<\/p>\n\n\n\n

– C\u00e1c nguy\u00ean t\u1ed1 vi l\u01b0\u1ee3ng nh\u01b0 Zn, Mn, Mo, \u2026 c\u00f3 t\u00e1c d\u1ee5ng \u0111i\u1ec1u ho\u00e0 \u00e1p su\u1ea5t th\u1ea9m th\u1ea5u v\u00e0 ho\u1ea1t ho\u00e1 c\u00e1c enzyme.\n<\/p>\n\n\n\n

– Nh\u00e2n t\u1ed1 sinh tr\u01b0\u1edfng l\u00e0 c\u00e1c ch\u1ea5t h\u1eefu c\u01a1 nh\u01b0 ax\u00edt amin, vitamin, \u2026 \nv\u1edbi h\u00e0m l\u01b0\u1ee3ng r\u1ea5t \u00edt nh\u01b0ng r\u1ea5t c\u1ea7n thi\u1ebft cho vi sinh v\u1eadt song ch\u00fang \nkh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng t\u1ef1 t\u1ed5ng h\u1ee3p.\n<\/p>\n\n\n\n

– vi sinh v\u1eadt kh\u00f4ng t\u1ef1 t\u1ed5ng h\u1ee3p \u0111\u01b0\u1ee3c nh\u00e2n t\u1ed1 dinh d\u01b0\u1ee1ng g\u1ecdi l\u00e0 vi \nsinh v\u1eadt khuy\u1ebft d\u01b0\u1ee1ng, vi sinh v\u1eadt t\u1ef1 t\u1ed5ng h\u1ee3p \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 vi sinh v\u1eadt \nnguy\u00ean d\u01b0\u1ee1ng.\n<\/p>\n\n\n\n

<\/figure><\/div>\n\n\n\n

II. C\u00c1C Y\u1ebeU T\u1ed0 V\u1eacT L\u00cd<\/h3>\n\n\n\n

1. Nhi\u1ec7t \u0111\u1ed9<\/strong> <\/p>\n\n\n\n

– Nhi\u1ec7t \u0111\u1ed9 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 c\u00e1c ph\u1ea3n \u1ee9ng sinh ho\u00e1 b\u00ean trong t\u1ebf \nb\u00e0o do \u0111\u00f3 c\u0169ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 sinh tr\u01b0\u1edfng c\u1ee7a VSV l\u00e0m cho vi sinh \nv\u1eadt sinh s\u1ea3n nhanh hay ch\u1eadm.\n<\/p>\n\n\n\n

– Nhi\u1ec7t \u0111\u1ed9 cao l\u00e0m bi\u1ebfn t\u00ednh c\u00e1c lo\u1ea1i protein, axit nucleic\n<\/p>\n\n\n\n

– C\u0103n c\u1ee9 v\u00e0o kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t chia th\u00e0nh 4 nh\u00f3m VSV: \u01b0a l\u1ea1nh (< 15^{0<\/sup>C), \u01b0a \u1ea5m (20 – 400<\/sup>C), \u01b0a nhi\u1ec7t (55 – 650<\/sup>C), \u01b0a si\u00eau nhi\u1ec7t (85 – 1100<\/sup>C).\n<\/p>\n\n\n\n}

2. \u0110\u1ed9 \u1ea9m<\/strong> <\/p>\n\n\n\n

– N\u01b0\u1edbc c\u1ea7n thi\u1ebft cho sinh tr\u01b0\u1edfng v\u00e0 chuy\u1ec3n ho\u00e1 v\u1eadt ch\u1ea5t c\u1ee7a VSV. \n<\/p>\n\n\n\n

– N\u01b0\u1edbc l\u00e0 dung m\u00f4i h\u00f2a tan c\u00e1c enzyme, c\u00e1c ch\u1ea5t dinh d\u01b0\u1ee1ng v\u00e0 tham gia trong nhi\u1ec1u ph\u1ea3n \u1ee9ng chuy\u1ec3n ho\u00e1 v\u1eadt ch\u1ea5t quan tr\u1ecdng.\n<\/p>\n\n\n\n

– M\u1ed7i lo\u00e0i sinh v\u1eadt sinh tr\u01b0\u1edfng trong m\u1ed9t gi\u1edbi h\u1ea1n \u0111\u1ed9 \u1ea9m nh\u1ea5t \u0111\u1ecbnh.\n <\/p>\n\n\n\n

3. \u0110\u1ed9 pH<\/strong> <\/p>\n\n\n\n

– \u0110\u1ed9 pH \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u00ednh th\u1ea5m c\u1ee7a m\u00e0ng, ho\u1ea1t \u0111\u1ed9ng chuy\u1ec3n ho\u00e1 v\u1eadt ch\u1ea5t, ho\u1ea1t t\u00ednh enzyme, s\u1ef1 h\u00ecnh th\u00e0nh ATP.\n<\/p>\n\n\n\n

– D\u1ef1a v\u00e0o pH th\u00edch h\u1ee3p chia vi sinh v\u1eadt th\u00e0nh 3 nh\u00f3m: nh\u00f3m \u01b0a ax\u00edt \n(pH = 4 – 6), nh\u00f3m \u01b0a trung t\u00ednh (pH = 6 – 8), nh\u00f3m \u01b0a ki\u1ec1m (pH > 9).\n<\/ins><\/p>\n\n\n\n

– Trong qu\u00e1 tr\u00ecnh s\u1ed1ng, vi sinh v\u1eadt th\u01b0\u1eddng ti\u1ebft c\u00e1c ch\u1ea5t ra ngo\u00e0i m\u00f4i tr\u01b0\u1eddng l\u00e0m thay \u0111\u1ed5i \u0111\u1ed9 pH c\u1ee7a m\u00f4i tr\u01b0\u1eddng.\n<\/p>\n\n\n\n

4. \u00c1nh s\u00e1ng<\/strong> <\/p>\n\n\n\n

– M\u1ee9c n\u0103ng l\u01b0\u1ee3ng trong \u00e1nh s\u00e1ng tu\u1ef3 thu\u1ed9c v\u00e0o \u0111\u1ed9 d\u00e0i b\u01b0\u1edbc s\u00f3ng c\u1ee7a tia s\u00e1ng.\n<\/p>\n\n\n\n

– \u00c1nh s\u00e1ng c\u00f3 t\u00e1c d\u1ee5ng chuy\u1ec3n ho\u00e1 v\u1eadt ch\u1ea5t trong t\u1ebf b\u00e0o v\u00e0 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c ho\u1ea1t \u0111\u1ed9ng sinh tr\u01b0\u1edfng c\u1ee7a VSV.\n<\/p>\n\n\n\n

– C\u00e1c b\u1ee9c x\u1ea1 \u00e1nh s\u00e1ng c\u00f3 th\u1ec3 ti\u00eau di\u1ec7t ho\u1eb7c \u1ee9c ch\u1ebf vi sinh v\u1eadt nh\u01b0: tia t\u1eed ngo\u1ea1i, tia gamma, tia X.\n<\/p>\n\n\n\n

5. \u00c1p su\u1ea5t th\u1ea9m th\u1ea5u<\/strong> <\/p>\n\n\n\n

– S\u1ef1 ch\u00eanh l\u1ec7ch n\u1ed3ng \u0111\u1ed9 c\u1ee7a m\u1ed9t ch\u1ea5t gi\u1eefa 2 b\u00ean m\u00e0ng sinh ch\u1ea5t g\u00e2y \nn\u00ean \u00e1p su\u1ea5t th\u1ea9m th\u1ea5u. V\u00ec v\u1eady khi \u0111\u01b0a vi sinh v\u1eadt v\u00e0o trong m\u00f4i tr\u01b0\u1eddng \nc\u00f3 n\u1ed3ng \u0111\u1ed9 cao th\u00ec vi sinh v\u1eadt s\u1ebd b\u1ecb m\u1ea5t n\u01b0\u1edbc d\u1eabn \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng co \nnguy\u00ean sinh l\u00e0m ch\u00fang kh\u00f4ng ph\u00e2n chia \u0111\u01b0\u1ee3c.<\/p>\n","protected":false},"excerpt":{"rendered":"

L\u00fd thuy\u1ebft Sinh h\u1ecdc 10 B\u00e0i 27: C\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn sinh tr\u01b0\u1edfng c\u1ee7a vi sinh v\u1eadt I. Ch\u1ea5t ho\u00e1 h\u1ecdc 1. Ch\u1ea5t dinh d\u01b0\u1ee1ng – C\u00e1c ch\u1ea5t h\u1eefu c\u01a1 nh\u01b0 cacbonhi\u0111rat, pr\u00f4t\u00eain, lipit \u2026 l\u00e0 c\u00e1c ch\u1ea5t dinh d\u01b0\u1ee1ng. – C\u00e1c nguy\u00ean t\u1ed1 vi l\u01b0\u1ee3ng nh\u01b0 Zn, Mn, Mo, \u2026 c\u00f3 t\u00e1c […]<\/p>\n","protected":false},"author":12,"featured_media":44069,"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