Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn<\/p>\n\n\n\n
Quang h\u1ee3p l\u00e0 g\u00ec? L\u00e0 qu\u00e1 tr\u00ecnh t\u1ed5ng h\u1ee3p c\u00e1c ch\u1ea5t h\u1eefu c\u01a1 c\u1ee7a c\u00e1c lo\u1ea1i th\u1ef1c v\u1eadt, m\u1ed9t s\u1ed1 vi khu\u1ea9n v\u00e0 t\u1ea3o nh\u1edd h\u1ea5p th\u1ee5 \u00e1nh s\u00e1ng t\u1eeb n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi. \u0110\u1ec3 c\u00f3 th\u1ec3 quang h\u1ee3p \u0111\u01b0\u1ee3c ph\u1ea3i nh\u1edd c\u00f3 ch\u1ea5t di\u1ec7p l\u1ee5c c\u00f3 trong l\u1ee5c l\u1ea1p. C\u00f9ng t\u00ecm hi\u1ec3u c\u00e1c n\u1ed9i dung chi ti\u1ebft c\u00f3 trong b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y.<\/p>\n\n\n\n
Quang h\u1ee3p l\u00e0 g\u00ec ?<\/p>\n\n\n\n
Kh\u00e1i ni\u1ec7m quang h\u1ee3p l\u00e0 g\u00ec \u0111\u00e3 \u0111\u01b0\u1ee3c gi\u1ea3i th\u00edch, \u0111\u1ecbnh ngh\u0129a r\u00f5 r\u00e0ng trong ch\u01b0\u01a1ng tr\u00ecnh sinh h\u1ecdc l\u1edbp 6. Quang h\u1ee3p ch\u00ednh l\u00e0 qu\u00e1 tr\u00ecnh t\u1ed5ng h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 c\u1ee7a nh\u00f3m th\u1ef1c v\u1eadt, t\u1ea3o v\u00e0 m\u1ed9t s\u1ed1 lo\u1ea1i vi khu\u1ea9n nh\u1edd vi\u1ec7c thu nh\u1eadn \u00e1nh s\u00e1ng t\u1eeb n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi.<\/p>\n\n\n\n
V\u1eady, quang h\u1ee3p \u1edf th\u1ef1c v\u1eadt l\u00e0 g\u00ec? Qu\u00e1 tr\u00ecnh quang h\u1ee3p \u1edf th\u1ef1c v\u1eadt l\u00e0 nh\u1edd ch\u1ea5t di\u1ec7p l\u1ee5c c\u00f3 trong l\u1ee5c l\u1ea1p \u1edf l\u00e1 c\u00e2y h\u1ea5p th\u1ee5 \u00e1nh s\u00e1ng t\u1eeb m\u1eb7t tr\u1eddi \u0111\u1ec3 t\u1ed5ng h\u1ee3p carbohydrat, gi\u1ea3i ph\u00f3ng kh\u00ed oxy v\u00e0 n\u01b0\u1edbc. M\u1ed9t s\u1ed1 lo\u00e0i vi khu\u1ea9n kh\u00f4ng s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c chlorophyll \u0111\u1ec3 quang h\u1ee3p m\u00e0 d\u00f9ng m\u1ed9t lo\u1ea1i s\u1eafc t\u1ed1 t\u01b0\u01a1ng t\u1ef1 c\u00f3 t\u00ean l\u00e0 bacteriochlorophylls.<\/p>\n\n\n\n
Trong b\u00e0i vi\u1ebft n\u00e0y ch\u00fang t\u00f4i s\u1ebd t\u1eadp trung v\u00e0o vi\u1ec7c ph\u00e2n t\u00edch qu\u00e1 tr\u00ecnh quang h\u1ee3p c\u1ee7a th\u1ef1c v\u1eadt.<\/p>\n\n\n\n
Vai tr\u00f2 c\u1ee7a quang h\u1ee3p l\u00e0 g\u00ec?<\/p>\n\n\n\n
Quang h\u1ee3p gi\u1eef m\u1ed9t vai tr\u00f2 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi s\u1ef1 s\u1ed1ng c\u1ee7a c\u00e1c sinh v\u1eadt tr\u00ean Tr\u00e1i \u0110\u1ea5t, \u0111\u1eb7c bi\u1ec7t l\u00e0 qu\u00e1 tr\u00ecnh quang h\u1ee3p \u1edf c\u00e2y xanh; t\u1ea1o ra kh\u00ed oxy \u2013 ngu\u1ed3n s\u1ed1ng c\u1ee7a h\u1ea7u h\u1ebft c\u00e1c sinh v\u1eadt. C\u00e1c vai tr\u00f2 c\u1ee7a quang h\u1ee3p \u1edf c\u00e1c nh\u00f3m th\u1ef1c v\u1eadt \u0111\u00f3 l\u00e0:<\/p>\n\n\n\n
T\u1ed5ng h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1: S\u1ea3n ph\u1ea9m c\u1ee7a quang h\u1ee3p t\u1ea1o ra \u0111\u00f3 ch\u00ednh l\u00e0 h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1, cung c\u1ea5p ngu\u1ed3n th\u1ee9c \u0103n cho t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i sinh v\u1eadt, d\u00f9ng l\u00e0m nguy\u00ean li\u1ec7u cho c\u00f4ng nghi\u1ec7p, ch\u1ebf t\u1ea1o thu\u1ed1c ch\u1eefa b\u1ec7nh cho m\u1ecdi ng\u01b0\u1eddi.<\/p>\n\n\n\n
T\u00edch l\u0169y n\u0103ng l\u01b0\u1ee3ng: Chuy\u1ec3n h\u00f3a n\u0103ng l\u01b0\u1ee3ng c\u1ee7a \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi th\u00e0nh c\u00e1c li\u00ean k\u1ebft h\u00f3a h\u1ecdc, sau \u0111\u00f3 s\u1ebd cung c\u1ea5p v\u00e0 t\u00edch l\u0169y n\u0103ng l\u01b0\u1ee3ng cho c\u00e1c ho\u1ea1t \u0111\u1ed9ng s\u1ed1ng c\u1ee7a sinh v\u1eadt.<\/p>\n\n\n\n
\u0110i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed: Qu\u00e1 tr\u00ecnh quang h\u1ee3p \u1edf c\u00e2y xanh, c\u00e2y xanh s\u1ebd h\u1ea5p th\u1ee5 kh\u00ed CO2, gi\u1ea3i ph\u00f3ng kh\u00ed O2 v\u00e0 n\u01b0\u1edbc gi\u00fap \u00edch cho qu\u00e1 tr\u00ecnh \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed, l\u00e0m gi\u1ea3m hi\u1ec7n t\u01b0\u1ee3ng hi\u1ec7u \u1ee9ng nh\u00e0 k\u00ednh \u0111em l\u1ea1i kh\u00f4ng kh\u00ed trong l\u00e0nh cho tr\u00e1i \u0111\u1ea5t.<\/p>\n\n\n\n
\u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a l\u00e1 c\u00e2y \u0111\u1ec3 th\u00edch nghi v\u1edbi ch\u1ee9c n\u0103ng quang h\u1ee3p<\/p>\n\n\n\n
B\u00ean ngo\u00e0i c\u1ee7a l\u00e1:<\/p>\n\n\n\n
Di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t l\u1edbp gi\u00fap cho l\u00e1 h\u1ea5p th\u1ee5 \u0111\u01b0\u1ee3c nhi\u1ec1u tia s\u00e1ng<\/p>\n\n\n\n
Phi\u1ebfn l\u00e1 m\u1ecfng, t\u1ea1o thu\u1eadn l\u1ee3i cho kh\u00ed khu\u1ebfch t\u00e1n v\u00e0o\/ra d\u1ec5 d\u00e0ng h\u01a1n<\/p>\n\n\n\n
Trong l\u1edbp bi\u1ec3u b\u00ec c\u1ee7a l\u00e1 c\u00e2y, c\u00f3 ch\u1ee9a t\u1ebf b\u00e0o kh\u00ed kh\u1ed5ng \u0111\u1ec3 kh\u00ed CO2 khu\u1ebfch t\u00e1n v\u00e0o b\u00ean trong l\u00e1 \u0111\u1ebfn l\u1ee5c l\u1ea1p.<\/p>\n\n\n\n
B\u00ean trong c\u1ee7a l\u00e1 c\u00e2y:<\/p>\n\n\n\n
T\u1ebf b\u00e0o c\u00f3 h\u00ecnh m\u00f4 gi\u1eadu, ch\u1ee9a nhi\u1ec1u di\u1ec7p l\u1ee5c, ph\u00e2n b\u1ed1 d\u01b0\u1edbi l\u1edbp bi\u1ec3u b\u00ec \u1edf m\u1eb7t tr\u00ean c\u1ee7a l\u00e1 \u0111\u1ec3 h\u1ea5p th\u1ee5 \u00e1nh s\u00e1ng tr\u1ef1c ti\u1ebfp chi\u1ebfu l\u00ean.<\/p>\n\n\n\n
T\u1ebf b\u00e0o m\u00f4 x\u1ed1p ch\u1ee9a \u00edt ch\u1ea5t di\u1ec7p l\u1ee5c h\u01a1n so v\u1edbi c\u00e1c t\u1ebf b\u00e0o m\u00f4 gi\u1eadu, n\u1eb1m \u1edf ph\u00eda d\u01b0\u1edbi c\u1ee7a m\u1eb7t l\u00e1. Trong m\u00f4 x\u1ed1p c\u00f3 nhi\u1ec1u kho\u1ea3ng tr\u1ed1ng \u0111\u1ec3 kh\u00ed oxy d\u1ec5 d\u00e0ng khu\u1ebfch t\u00e1n \u0111\u1ebfn c\u00e1c t\u1ebf b\u00e0o ch\u1ee9a c\u00e1c s\u1eafc t\u1ed1 quang h\u1ee3p<\/p>\n\n\n\n
H\u1ec7 g\u00e2n l\u00e1 c\u00f3 m\u1ea1ch d\u1eabn g\u1ed3m c\u00e1c m\u1ea1ch g\u1ed7 v\u00e0 m\u1ea1ch r\u00e2y, \u0111\u01b0\u1ee3c xem l\u00e0 m\u1ed9t con \u0111\u01b0\u1eddng cung c\u1ea5p n\u01b0\u1edbc c\u00f9ng v\u1edbi c\u00e1c icon kho\u00e1ng cho qu\u00e1 tr\u00ecnh quang h\u1ee3p. Kh\u00f4ng nh\u1eefng th\u1ebf, m\u1ea1ch libe l\u00e0 con \u0111\u01b0\u1eddng d\u1eabn c\u00e1c ch\u1ea5t quang h\u1ee3p ra kh\u1ecfi l\u00e1 c\u00e2y.<\/p>\n\n\n\n
B\u00ean c\u1ea1nh \u0111\u00f3, trong l\u00e1 c\u00f3 ch\u1ee9a r\u1ea5t nhi\u1ec1u t\u1ebf b\u00e0o, c\u00f3 ch\u1ee9a ch\u1ea5t l\u1ee5c l\u1ea1p v\u1edbi h\u1ec7 s\u1eafc t\u1ed1 quang h\u1ee3p \u1edf b\u00ean trong \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 b\u00e0o quan quang h\u1ee3p.<\/p>\n\n\n\n
\u00dd ngh\u0129a qu\u00e1 tr\u00ecnh quang h\u1ee3p \u1edf th\u1ef1c v\u1eadt<\/p>\n\n\n\n
Trong chu\u1ed7i th\u1ee9c \u0103n t\u1ef1 nhi\u00ean, sinh v\u1eadt s\u1ed1ng b\u1eb1ng ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng do quang h\u1ee3p. C\u00e1c sinh v\u1eadt c\u00f2n l\u1ea1i s\u1ebd s\u1eed d\u1ee5ng s\u1ea3n ph\u1ea9m c\u1ee7a qu\u00e1 tr\u00ecnh quang h\u1ee3p \u0111\u1ec3 ph\u1ee5c v\u1ee5 cho nhu c\u1ea7u s\u1ed1ng c\u1ee7a ch\u00fang ta.<\/p>\n\n\n\n
Quang h\u1ee3p ch\u00ednh l\u00e0 chu\u1ed7i ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc kh\u00f4ng th\u1ec3 thi\u1ebfu, n\u00f3 t\u1ea1o ra n\u0103ng l\u01b0\u1ee3ng cho s\u1ef1 s\u1ed1ng, b\u00f9 \u0111\u1eafp l\u1ea1i c\u00e1c ch\u1ea5t h\u1eefu c\u01a1 \u0111\u00e3 b\u1ecb s\u1eed d\u1ee5ng trong qu\u00e1 tr\u00ecnh s\u1ed1ng gi\u00fap c\u00e2n b\u1eb1ng kh\u00ed O2 v\u00e0 CO2 trong kh\u00f4ng kh\u00ed.<\/p>\n\n\n\n
Qu\u00e1 tr\u00ecnh quang h\u1ee3p \u1edf th\u1ef1c v\u1eadt \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n nh\u1edd di\u1ec7p l\u1ee5c. S\u1eafc t\u1ed1 n\u00e0y th\u01b0\u1eddng ch\u1ee9a trong c\u00e1c b\u00e0o quan \u2013 \u0111\u00f3 l\u00e0 l\u1ee5c l\u1ea1p. \u0110a s\u1ed1, c\u00e1c ph\u1ea7n c\u1ee7a nhi\u1ec1u lo\u00e0i th\u1ef1c v\u1eadt \u0111\u1ec1u c\u00f3 m\u00e0u xanh, n\u0103ng l\u01b0\u1ee3ng c\u1ee7a qu\u00e1 tr\u00ecnh quang h\u1ee3p ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c nh\u1eadn t\u1eeb l\u00e1. C\u00f2n qu\u00e1 tr\u00ecnh quang h\u1ee3p c\u1ee7a th\u1ef1c v\u1eadt, t\u1ea3o v\u00e0 vi khu\u1ea9n lam s\u1ebd s\u1eed d\u1ee5ng chlorophyll s\u1ea3n sinh ra oxy.<\/p>\n\n\n\n
Ph\u00e2n bi\u1ec7t quang h\u1ee3p v\u00e0 h\u00f4 h\u1ea5p<\/p>\n\n\n\n
Quang h\u1ee3p v\u00e0 h\u00f4 h\u1ea5p l\u00e0 2 kh\u00e1i ni\u1ec7m kh\u00e1c nhau nh\u01b0ng c\u00f3 r\u1ea5t nhi\u1ec1u ng\u01b0\u1eddi nh\u1ea7m l\u1eabn ch\u00fang l\u00e0 1. Do \u0111\u00f3, Vietlearn.org s\u1ebd gi\u00fap b\u1ea1n ph\u00e2n bi\u1ec7t quang h\u1ee3p v\u00e0 h\u00f4 h\u1ea5p, c\u1ee5 th\u1ec3:<\/p>\n\n\n\n
Ti\u00eau ch\u00ed Quang h\u1ee3p H\u00f4 h\u1ea5p<\/p>\n\n\n\n
Kh\u00e1i ni\u1ec7m L\u00e0 qu\u00e1 tr\u00ecnh h\u1ea5p th\u1ee5 \u00e1nh s\u00e1ng t\u1eeb ch\u1ea5t di\u1ec7p l\u1ee5c. S\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng \u0111\u1ec3 t\u1ea1o ra c\u00e1c ch\u1ea5t h\u1eefu c\u01a1 L\u00e0 qu\u00e1 tr\u00ecnh oxy h\u00f3a c\u00e1c ch\u1ea5t h\u1eefu c\u00f3 th\u00e0nh kh\u00ed cacbonic v\u00e0 n\u01b0\u1edbc; gi\u1ea3i ph\u00f3ng n\u0103ng l\u01b0\u1ee3ng c\u1ea7n thi\u1ebft cho ho\u1ea1t \u0111\u1ed9ng s\u1ed1ng c\u1ee7a c\u00e2y.<\/p>\n\n\n\n
Ph\u01b0\u01a1ng tr\u00ecnh 6CO2 +12H2O -> C6H12O6 + 6O2 + 6H2O C6H12O6O + 6H2O -> 6CO2 + 6H2O + N\u0103ng l\u01b0\u1ee3ng.<\/p>\n\n\n\n
S\u1ea3n ph\u1ea9m t\u1ea1o ra \u0110\u01b0\u1eddng v\u00e0 O2 CO2 v\u00e0 n\u0103ng l\u01b0\u1ee3ng<\/p>\n\n\n\n
N\u01a1i th\u1ef1c hi\u1ec7n L\u1ee5c l\u1ea1p C\u00e1c t\u1ebf b\u00e0o v\u00e0 ti th\u1ec3 c\u1ee7a t\u1ebf b\u00e0o s\u1ed1ng<\/p>\n\n\n\n
C\u01a1 ch\u1ebf Di\u1ec5n ra \u1edf pha s\u00e1ng v\u00e0 pha t\u1ed1i \u2013 Qu\u00e1 tr\u00ecnh ph\u00e2n gi\u1ea3i \u0111\u01b0\u1eddng<\/p>\n\n\n\n
\u2013 H\u00f4 h\u1ea5p y\u1ebfm kh\u00ed<\/p>\n\n\n\n
\u2013 Chu k\u1ef3 Crep<\/p>\n\n\n\n
\u2013 Chu\u1ed7i truy\u1ec1n \u0111i\u1ec7n t\u1eed<\/p>\n\n\n\n
V\u1edbi c\u00e1c n\u1ed9i dung th\u00f4ng tin trong b\u00e0i vi\u1ebft tr\u00ean \u0111\u00e2y c\u1ee7a Vietlearn.org, mong r\u1eb1ng s\u1ebd gi\u00fap b\u1ea1n hi\u1ec3u th\u00eam v\u1ec1 kh\u00e1i ni\u1ec7m quang h\u1ee3p l\u00e0 g\u00ec, qu\u00e1 tr\u00ecnh quang h\u1ee3p c\u1ee7a th\u1ef1c v\u1eadt.<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn Quang h\u1ee3p l\u00e0 g\u00ec? L\u00e0 qu\u00e1 tr\u00ecnh t\u1ed5ng h\u1ee3p c\u00e1c ch\u1ea5t h\u1eefu c\u01a1 c\u1ee7a c\u00e1c lo\u1ea1i th\u1ef1c v\u1eadt, m\u1ed9t s\u1ed1 vi khu\u1ea9n v\u00e0 t\u1ea3o nh\u1edd h\u1ea5p th\u1ee5 \u00e1nh s\u00e1ng t\u1eeb n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi. \u0110\u1ec3 c\u00f3 th\u1ec3 quang h\u1ee3p \u0111\u01b0\u1ee3c ph\u1ea3i nh\u1edd c\u00f3 ch\u1ea5t di\u1ec7p l\u1ee5c c\u00f3 trong l\u1ee5c […]<\/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":[1],"tags":[],"class_list":["post-3989","post","type-post","status-publish","format-standard","hentry","category-general"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/3989","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=3989"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/3989\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=3989"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=3989"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=3989"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}