{"common":{"save":0,"post_id":"9390","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"10008","post_id":"9390","mon_id":"1159539","chapter_id":"1160063","question":"<p data-pm-slice=\"0 0 []\">Vì sao x\u01b0\u01a1ng \u0111ùi c\u1ee7a con ng\u01b0\u1eddi l\u1ea1i phát tri\u1ec3n h\u01a1n so v\u1edbi ph\u1ea7n x\u01b0\u01a1ng t\u01b0\u01a1ng \u1ee9ng c\u1ee7a thú ?<\/p>","options":["A. Vì con ng\u01b0\u1eddi c\u01b0\u1eddng \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng m\u1ea1nh h\u01a1n các loài thú khác nên kích th\u01b0\u1edbc các x\u01b0\u01a1ng chi (bao g\u1ed3m c\u1ea3 x\u01b0\u01a1ng \u0111ùi) phát tri\u1ec3n h\u01a1n.","B. Vì con ng\u01b0\u1eddi có t\u01b0 th\u1ebf \u0111\u1ee9ng th\u1eb3ng nên tr\u1ecdng l\u01b0\u1ee3ng ph\u1ea7n trên c\u01a1 th\u1ec3 t\u1eadp trung d\u1ed3n vào hai chân sau và x\u01b0\u01a1ng \u0111ùi phát tri\u1ec3n \u0111\u1ec3 t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0111\u1ee1 c\u01a1 h\u1ecdc.","C. Vì x\u01b0\u01a1ng \u0111ùi \u1edf ng\u01b0\u1eddi n\u1eb1m \u1edf ph\u1ea7n d\u01b0\u1edbi c\u01a1 th\u1ec3 nên theo chi\u1ec1u tr\u1ecdng l\u1ef1c, ch\u1ea5t dinh d\u01b0\u1ee1ng và canxi t\u1eadp trung t\u1ea1i \u0111ây nhi\u1ec1u h\u01a1n, khi\u1ebfn chúng phát tri\u1ec3n l\u1edbn h\u01a1n so v\u1edbi thú.","D. T\u1ea5t c\u1ea3 các ph\u01b0\u01a1ng án \u0111\u01b0a ra."],"correct":"2","level":"2","hint":"","answer":"<p>\u0110áp án: <strong>B. Vì con ng\u01b0\u1eddi có t\u01b0 th\u1ebf \u0111\u1ee9ng th\u1eb3ng nên tr\u1ecdng l\u01b0\u1ee3ng ph\u1ea7n trên c\u01a1 th\u1ec3 t\u1eadp trung d\u1ed3n vào hai chân sau và x\u01b0\u01a1ng \u0111ùi phát tri\u1ec3n \u0111\u1ec3 t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0111\u1ee1 c\u01a1 h\u1ecdc.<\/strong><\/p><ul> <li data-end=\"373\" data-start=\"198\"><p data-end=\"373\" data-start=\"200\"><strong data-end=\"274\" data-start=\"200\">Con ng\u01b0\u1eddi có t\u01b0 th\u1ebf \u0111\u1ee9ng th\u1eb3ng và di chuy\u1ec3n b\u1eb1ng hai chân (th\u1eb3ng \u0111\u1ee9ng)<\/strong>, do \u0111ó <strong data-end=\"345\" data-start=\"282\">toàn b\u1ed9 tr\u1ecdng l\u01b0\u1ee3ng ph\u1ea7n trên c\u01a1 th\u1ec3 d\u1ed3n lên x\u01b0\u01a1ng chi d\u01b0\u1edbi<\/strong>, \u0111\u1eb7c bi\u1ec7t là <strong data-end=\"372\" data-start=\"359\">x\u01b0\u01a1ng \u0111ùi<\/strong>.<\/p><\/li> <li data-end=\"465\" data-start=\"374\"><p data-end=\"465\" data-start=\"376\">Vì v\u1eady, <strong data-end=\"422\" data-start=\"384\">x\u01b0\u01a1ng \u0111ùi ph\u1ea3i phát tri\u1ec3n m\u1ea1nh h\u01a1n<\/strong> \u0111\u1ec3 <strong data-end=\"456\" data-start=\"426\">ch\u1ecbu l\u1ef1c và gi\u1eef th\u0103ng b\u1eb1ng<\/strong> t\u1ed1t h\u01a1n.<\/p><\/li> <li data-end=\"597\" data-start=\"466\"><p data-end=\"597\" data-start=\"468\">Các loài thú th\u01b0\u1eddng \u0111i b\u1eb1ng b\u1ed1n chân nên <strong data-end=\"541\" data-start=\"509\">tr\u1ecdng l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c phân b\u1ed1 \u0111\u1ec1u<\/strong>, không yêu c\u1ea7u x\u01b0\u01a1ng \u0111ùi ph\u1ea3i ch\u1ecbu t\u1ea3i l\u1edbn nh\u01b0 \u1edf ng\u01b0\u1eddi.<\/p><\/li><\/ul>","type":"choose","extra_type":"classic","time":"0","user_id":"139","test":"0","date":"2025-06-11 21:05:26","option_type":"txt","len":3},{"id":"10009","post_id":"9390","mon_id":"1159539","chapter_id":"1160063","question":"<p data-pm-slice=\"0 0 []\">Hi\u1ec7n t\u01b0\u1ee3ng m\u1ecfi c\u01a1 có liên quan m\u1eadt thi\u1ebft \u0111\u1ebfn s\u1ef1 s\u1ea3n sinh lo\u1ea1i axit h\u1eefu c\u01a1 nào ?<\/p>","options":["A. Axit axêtic","B. Axit malic","C. Axit acrylic","D. Axit lactic"],"correct":"4","level":"2","hint":"","answer":"<p>\u0110áp án: <strong>D. Axit lactic<\/strong><\/p><p data-end=\"251\" data-start=\"36\">Khi c\u01a1 ho\u1ea1t \u0111\u1ed9ng m\u1ea1nh và kéo dài, \u0111\u1eb7c bi\u1ec7t trong \u0111i\u1ec1u ki\u1ec7n <strong data-end=\"126\" data-start=\"113\">thi\u1ebfu oxy<\/strong>, c\u01a1 th\u1ec3 s\u1ebd chuy\u1ec3n sang con \u0111\u01b0\u1eddng <strong data-end=\"194\" data-is-only-node=\"\" data-start=\"160\">hô h\u1ea5p k\u1ecb khí (lên men lactic)<\/strong> \u0111\u1ec3 t\u1ea1o n\u0103ng l\u01b0\u1ee3ng. Quá trình này t\u1ea1o ra <strong data-end=\"250\" data-start=\"235\">axit lactic<\/strong>.<\/p><ul data-end=\"414\" data-start=\"253\"> <li data-end=\"414\" data-start=\"253\"><p data-end=\"414\" data-start=\"255\"><strong data-end=\"270\" data-start=\"255\">Axit lactic<\/strong> tích t\u1ee5 trong c\u01a1 s\u1ebd gây ra <strong data-end=\"319\" data-start=\"298\">hi\u1ec7n t\u01b0\u1ee3ng m\u1ecfi c\u01a1<\/strong>, \u0111au nh\u1ee9c t\u1ea1m th\u1eddi do làm thay \u0111\u1ed5i \u0111\u1ed9 pH và \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ho\u1ea1t \u0111\u1ed9ng c\u1ee7a enzym trong t\u1ebf bào c\u01a1.<\/p><\/li><\/ul>","type":"choose","extra_type":"classic","time":"0","user_id":"139","test":"0","date":"2025-06-11 21:06:07","option_type":"txt","len":2},{"id":"10010","post_id":"9390","mon_id":"1159539","chapter_id":"1160063","question":"<p data-pm-slice=\"0 0 []\">Các nan x\u01b0\u01a1ng s\u1eafp x\u1ebfp nh\u01b0 th\u1ebf nào trong mô x\u01b0\u01a1ng x\u1ed1p ?<\/p>","options":["A. X\u1ebfp n\u1ed1i ti\u1ebfp nhau t\u1ea1o thành các rãnh ch\u1ee9a t\u1ee7y \u0111\u1ecf","B. X\u1ebfp theo hình vòng cung và \u0111an xen nhau t\u1ea1o thành các ô ch\u1ee9a t\u1ee7y \u0111\u1ecf","C. X\u1ebfp g\u1ed1i \u0111\u1ea7u lên nhau t\u1ea1o ra các khoang x\u01b0\u01a1ng ch\u1ee9a t\u1ee7y vàng","D. X\u1ebfp thành t\u1eebng bó và n\u1eb1m gi\u1eefa các bó là t\u1ee7y \u0111\u1ecf"],"correct":"2","level":"2","hint":"","answer":"<p>\u0110áp án: <strong>B. X\u1ebfp theo hình vòng cung và \u0111an xen nhau t\u1ea1o thành các ô ch\u1ee9a t\u1ee7y \u0111\u1ecf<\/strong><\/p><p data-end=\"334\" data-start=\"92\">Trong <strong data-end=\"132\" data-start=\"116\">mô x\u01b0\u01a1ng x\u1ed1p<\/strong> (ch\u1ee7 y\u1ebfu n\u1eb1m \u1edf <strong data-end=\"165\" data-is-only-node=\"\" data-start=\"148\">\u0111\u1ea7u x\u01b0\u01a1ng dài<\/strong> và <strong data-end=\"182\" data-start=\"169\">x\u01b0\u01a1ng d\u1eb9t<\/strong>), các <strong data-end=\"202\" data-start=\"189\">nan x\u01b0\u01a1ng<\/strong> (thanh x\u01b0\u01a1ng nh\u1ecf) <strong data-end=\"264\" data-start=\"221\">x\u1ebfp theo hình vòng cung và \u0111an xen nhau<\/strong>, t\u1ea1o thành <strong data-end=\"301\" data-start=\"276\">các ô nh\u1ecf ch\u1ee9a t\u1ee7y \u0111\u1ecf<\/strong> – n\u01a1i di\u1ec5n ra quá trình t\u1ea1o máu.<\/p><ul data-end=\"532\" data-start=\"336\"> <li data-end=\"443\" data-start=\"336\"><p data-end=\"443\" data-start=\"338\">Cách s\u1eafp x\u1ebfp này giúp <strong data-end=\"385\" data-start=\"360\">phân tán l\u1ef1c tác \u0111\u1ed9ng<\/strong> hi\u1ec7u qu\u1ea3 và gi\u1ea3m tr\u1ecdng l\u01b0\u1ee3ng x\u01b0\u01a1ng mà v\u1eabn \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n.<\/p><\/li> <li data-end=\"532\" data-start=\"444\"><p data-end=\"532\" data-start=\"446\">Khác v\u1edbi <strong data-end=\"472\" data-start=\"455\">mô x\u01b0\u01a1ng c\u1ee9ng<\/strong>, n\u01a1i các lá x\u01b0\u01a1ng x\u1ebfp thành vòng \u0111\u1ed3ng tâm quanh \u1ed1ng Havers.<\/p><\/li><\/ul>","type":"choose","extra_type":"classic","time":"0","user_id":"139","test":"0","date":"2025-06-11 21:06:43","option_type":"txt","len":3}]}