Hô hấp ở thực vật

Home Lớp 11 Sinh học Lớp 11 - Sách KNTT Bài 6: Hô hấp ở thực vậtBài tập trung bình

{"common":{"save":0,"post_id":"9284","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"7503","post_id":"9284","mon_id":"1159850","chapter_id":"1160021","question":"Nhi\u1ec7t \u0111\u1ed9 t\u1ed1i \u01b0u cho hô h\u1ea5p trong kho\u1ea3ng<\/p>","options":["A. 25oC - 30oC.","B. 30oC - 35oC.","C. 20oC - 25oC.","D. 35oC - 40oC."],"correct":"1","level":"2","hint":"","answer":"\u0110áp án \u0111úng: A. 25oC - 30oC.<\/strong><\/p>Hô h\u1ea5p \u1edf th\u1ef1c v\u1eadt<\/strong> là quá trình phân gi\u1ea3i các ch\u1ea5t h\u1eefu c\u01a1 \u0111\u1ec3 t\u1ea1o ra n\u0103ng l\u01b0\u1ee3ng (ATP), \u0111\u01b0\u1ee3c xúc tác b\u1edfi h\u1ec7 enzyme.<\/p>M\u1ed7i enzyme có m\u1ed9t nhi\u1ec7t \u0111\u1ed9 t\u1ed1i \u01b0u<\/strong> — kho\u1ea3ng nhi\u1ec7t mà t\u1ea1i \u0111ó nó ho\u1ea1t \u0111\u1ed9ng m\u1ea1nh nh\u1ea5t.<\/p>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-05-20 09:09:16","option_type":"txt","len":1},{"id":"7504","post_id":"9284","mon_id":"1159850","chapter_id":"1160021","question":"Nh\u1eadn \u0111\u1ecbnh nào sau \u0111ây là \u0111úng nh\u1ea5t?<\/p>","options":["A. Hàm l\u01b0\u1ee3ng n\u01b0\u1edbc t\u1ec9 l\u1ec7 ngh\u1ecbch v\u1edbi c\u01b0\u1eddng \u0111\u1ed9 hô h\u1ea5p","B. C\u01b0\u1eddng \u0111\u1ed9 hô h\u1ea5p và nhi\u1ec7t \u0111\u1ed9 t\u1ec9 l\u1ec7 thu\u1eadn v\u1edbi nhau","C. N\u1ed3ng \u0111\u1ed9 CO2 cao s\u1ebd \u1ee9c ch\u1ebf hô h\u1ea5p","D. C\u1ea3 ba ph\u01b0\u01a1ng án trên \u0111\u1ec1u \u0111úng"],"correct":"2","level":"2","hint":"","answer":"\u0110áp án \u0111úng: B. C\u01b0\u1eddng \u0111\u1ed9 hô h\u1ea5p và nhi\u1ec7t \u0111\u1ed9 t\u1ec9 l\u1ec7 thu\u1eadn v\u1edbi nhau<\/strong><\/p>Hàm l\u01b0\u1ee3ng n\u01b0\u1edbc không t\u1ec9 l\u1ec7 ngh\u1ecbch v\u1edbi c\u01b0\u1eddng \u0111\u1ed9 hô h\u1ea5p mà th\u01b0\u1eddng có \u1ea3nh h\u01b0\u1edfng ph\u1ee9c t\u1ea1p, không th\u1ec3 kh\u1eb3ng \u0111\u1ecbnh theo t\u1ec9 l\u1ec7 ngh\u1ecbch \u0111\u01a1n gi\u1ea3n (vì n\u01b0\u1edbc c\u1ea7n thi\u1ebft cho quá trình hô h\u1ea5p).<\/p>C\u01b0\u1eddng \u0111\u1ed9 hô h\u1ea5p t\u0103ng theo nhi\u1ec7t \u0111\u1ed9 trong m\u1ed9t kho\u1ea3ng nhi\u1ec7t \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh (t\u1ec9 l\u1ec7 thu\u1eadn), vì nhi\u1ec7t \u0111\u1ed9 cao làm các ph\u1ea3n \u1ee9ng hóa sinh di\u1ec5n ra nhanh h\u01a1n.<\/p>N\u1ed3ng \u0111\u1ed9 CO\u2082 cao th\u01b0\u1eddng không \u1ee9c ch\u1ebf hô h\u1ea5p mà có th\u1ec3 kích thích hô h\u1ea5p trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p; CO\u2082 cao ch\u1ec9 gây \u1ee9c ch\u1ebf khi v\u01b0\u1ee3t quá m\u1ee9c r\u1ea5t cao, không ph\u1ea3i lúc nào c\u0169ng \u0111úng.<\/p>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-05-20 09:49:26","option_type":"txt","len":3},{"id":"7505","post_id":"9284","mon_id":"1159850","chapter_id":"1160021","question":"Phân gi\u1ea3i k\u1ecb khí (lên men) t\u1eeb axit piruvic t\u1ea1o ra<\/p>","options":["A. ch\u1ec9 r\u01b0\u1ee3u etylic.","B. r\u01b0\u1ee3u etylic ho\u1eb7c axit lactic.","C. ch\u1ec9 axit lactic.","D. \u0111\u1ed3ng th\u1eddi r\u01b0\u1ee3u etylic và axit lactic."],"correct":"2","level":"2","hint":"","answer":"\u0110áp án \u0111úng: B. r\u01b0\u1ee3u etylic ho\u1eb7c axit lactic.<\/strong><\/p>Phân gi\u1ea3i k\u1ecb khí (lên men)<\/strong> là quá trình chuy\u1ec3n hóa axit piruvic trong \u0111i\u1ec1u ki\u1ec7n không có oxy<\/strong> \u0111\u1ec3 t\u1ea1o n\u0103ng l\u01b0\u1ee3ng cho t\u1ebf bào. Tùy vào lo\u1ea1i sinh v\u1eadt ho\u1eb7c \u0111i\u1ec1u ki\u1ec7n môi tr\u01b0\u1eddng, axit piruvic có th\u1ec3:<\/p>Lên men r\u01b0\u1ee3u<\/strong> (\u1edf n\u1ea5m men, vi khu\u1ea9n):<\/p>Axit piruvic → r\u01b0\u1ee3u etylic (etanol)<\/strong> + CO\u2082<\/p>Lên men lactic<\/strong> (\u1edf vi khu\u1ea9n lactic, c\u01a1 b\u1eafp ng\u01b0\u1eddi khi thi\u1ebfu oxy):<\/p>Axit piruvic → axit lactic<\/strong><\/p>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-05-20 09:50:33","option_type":"txt","len":2}]}