{"common":{"save":0,"post_id":"10081","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"8977","post_id":"10081","mon_id":"1160346","chapter_id":"1159849","question":"<p data-pm-slice=\"0 0 []\">Khi thu\u1ef7 phân Saccharose trong môi tr\u01b0\u1eddng acid, s\u1ea3n ph\u1ea9m thu \u0111\u01b0\u1ee3c là<\/p>","options":["A. glucose và fructose.","B. glucose.","C. fructose.","D. tinh b\u1ed9t."],"correct":"1","level":"2","hint":"<p data-end=\"161\" data-start=\"0\">G\u1ee3i ý: Hãy nh\u1edb saccharose là disaccharide \u0111\u01b0\u1ee3c t\u1ea1o b\u1edfi α-glucose và β-fructose liên k\u1ebft v\u1edbi nhau qua liên k\u1ebft glycosid. Khi th\u1ee7y phân, liên k\u1ebft này b\u1ecb c\u1eaft \u0111\u1ee9t.<\/p><p data-end=\"204\" data-start=\"163\"> <\/p>","answer":"<p data-end=\"204\" data-start=\"163\">\u0110áp án \u0111úng: <span style=\"color:#16a085;\"><strong data-end=\"202\" data-start=\"176\">A. glucose và fructose<\/strong><\/span><\/p><p data-end=\"374\" data-start=\"206\">Gi\u1ea3i thích: Saccharose khi th\u1ee7y phân trong môi tr\u01b0\u1eddng acid (ho\u1eb7c nh\u1edd enzym invertase) s\u1ebd b\u1ecb c\u1eaft liên k\u1ebft glycosid và t\u1ea1o ra hai monosaccharide là glucose và fructose.<\/p><p data-end=\"614\" data-is-last-node=\"\" data-is-only-node=\"\" data-start=\"376\">B sai: <strong data-end=\"397\" data-start=\"383\">B. glucose<\/strong> — ch\u1ec9 có m\u1ed9t monosaccharide, thi\u1ebfu fructose.<br data-end=\"445\" data-start=\"442\" \/>C sai: <strong data-end=\"467\" data-is-only-node=\"\" data-start=\"452\">C. fructose<\/strong> — c\u0169ng ch\u1ec9 có m\u1ed9t monosaccharide, thi\u1ebfu glucose.<br data-end=\"519\" data-start=\"516\" \/>D sai: <strong data-end=\"541\" data-start=\"526\">D. tinh b\u1ed9t<\/strong> — \u0111ây là polisaccharide, không ph\u1ea3i s\u1ea3n ph\u1ea9m th\u1ee7y phân c\u1ee7a saccharose.<\/p>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-09-21 14:55:14","option_type":"txt","len":2},{"id":"8978","post_id":"10081","mon_id":"1160346","chapter_id":"1159849","question":"<p data-pm-slice=\"0 0 []\">H\u1ee3p ch\u1ea5t chi\u1ebfm thành ph\u1ea7n trong cây mía có tên là<\/p>","options":["A. Glucose.","B. Fructose.","C. Saccharose","D. Maltose."],"correct":"3","level":"2","hint":"<p data-end=\"132\" data-start=\"0\">G\u1ee3i ý: Lo\u1ea1i \u0111\u01b0\u1eddng ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c tách ra t\u1eeb cây mía, c\u1ee7 c\u1ea3i \u0111\u01b0\u1eddng và hoa th\u1ed1t n\u1ed1t là m\u1ed9t disaccharide r\u1ea5t quen thu\u1ed9c trong \u0111\u1eddi s\u1ed1ng.<\/p><p data-end=\"166\" data-start=\"134\"> <\/p>","answer":"<p data-end=\"166\" data-start=\"134\">\u0110áp án \u0111úng: <span style=\"color:#16a085;\"><strong data-end=\"164\" data-start=\"147\">C. Saccharose<\/strong><\/span><\/p><p data-end=\"342\" data-start=\"168\">Gi\u1ea3i thích: Saccharose (\u0111\u01b0\u1eddng mía) là disaccharide c\u1ea5u t\u1ea1o t\u1eeb α-glucose và β-fructose. \u0110ây chính là lo\u1ea1i \u0111\u01b0\u1eddng ng\u1ecdt chúng ta th\u01b0\u1eddng dùng h\u1eb1ng ngày, chi\u1ebft xu\u1ea5t nhi\u1ec1u t\u1eeb mía.<\/p><p data-end=\"643\" data-is-last-node=\"\" data-is-only-node=\"\" data-start=\"344\">A sai: <strong data-end=\"365\" data-start=\"351\">A. Glucose<\/strong> th\u01b0\u1eddng có nhi\u1ec1u trong qu\u1ea3 chín, không ph\u1ea3i là thành ph\u1ea7n ch\u1ee7 y\u1ebfu trong cây mía.<br data-end=\"448\" data-start=\"445\" \/>B sai: <strong data-end=\"470\" data-is-only-node=\"\" data-start=\"455\">B. Fructose<\/strong> có nhi\u1ec1u trong m\u1eadt ong và trái cây, không ph\u1ea3i s\u1ea3n ph\u1ea9m chính t\u1eeb cây mía.<br data-end=\"547\" data-start=\"544\" \/>D sai: <strong data-end=\"568\" data-start=\"554\">D. Maltose<\/strong> có trong m\u1ea1ch nha, hình thành t\u1eeb tinh b\u1ed9t n\u1ea3y m\u1ea7m, không ph\u1ea3i \u0111\u01b0\u1eddng mía.<\/p>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-09-21 14:55:58","option_type":"txt","len":1},{"id":"8979","post_id":"10081","mon_id":"1160346","chapter_id":"1159849","question":"<p data-end=\"155\" data-start=\"64\">Phát bi\u1ec3u nào sau \u0111ây <strong data-end=\"94\" data-start=\"86\">\u0111úng<\/strong> khi nói v\u1ec1 tính ch\u1ea5t và c\u1ea5u t\u1ea1o c\u1ee7a saccharose và maltose?<\/p><p data-end=\"435\" data-start=\"157\"> <\/p>","options":["A. C\u1ea3 saccharose và maltose \u0111\u1ec1u có tính kh\u1eed và \u0111\u1ec1u ph\u1ea3n \u1ee9ng tráng b\u1ea1c.","B. Khi th\u1ee7y phân hoàn toàn saccharose, ch\u1ec9 thu \u0111\u01b0\u1ee3c glucose.","C. Maltose là disaccharide kh\u1eed, còn saccharose là disaccharide không kh\u1eed.","D. C\u1ea3 hai \u0111\u1ec1u \u0111\u01b0\u1ee3c t\u1ea1o b\u1edfi s\u1ef1 ng\u01b0ng t\u1ee5 gi\u1eefa glucose và fructose."],"correct":"3","level":"2","hint":"<p data-end=\"149\" data-start=\"0\"><strong data-end=\"452\" data-start=\"442\">G\u1ee3i ý:<\/strong> Hãy nh\u1edb r\u1eb1ng <strong data-end=\"504\" data-start=\"466\">saccharose g\u1ed3m glucose và fructose<\/strong>, còn <strong data-end=\"543\" data-start=\"510\">maltose g\u1ed3m hai g\u1ed1c α–glucose<\/strong>, và ch\u1ec9 ch\u1ea5t nào còn nhóm –OH hemiacetal t\u1ef1 do m\u1edbi có tính kh\u1eed.<\/p>","answer":"<article data-scroll-anchor=\"true\" data-testid=\"conversation-turn-106\" data-turn=\"assistant\" data-turn-id=\"request-68ce63f5-4988-8325-8e0b-3a7cabbee4b4-0\" dir=\"auto\" tabindex=\"-1\"><p data-end=\"712\" data-start=\"616\"><strong data-end=\"632\" data-start=\"616\">\u0110áp án \u0111úng:<\/strong> <span style=\"color:#16a085;\"><strong data-end=\"710\" data-start=\"633\">C. Maltose là disaccharide kh\u1eed, còn saccharose là disaccharide không kh\u1eed.<\/strong><\/span><\/p><p data-end=\"731\" data-start=\"714\"><strong data-end=\"729\" data-start=\"714\">Gi\u1ea3i thích:<\/strong><\/p><ul data-end=\"1201\" data-is-last-node=\"\" data-is-only-node=\"\" data-start=\"732\"> <li data-end=\"985\" data-start=\"732\"><p data-end=\"985\" data-start=\"734\"><strong data-end=\"745\" data-start=\"734\">C \u0111úng:<\/strong> Maltose g\u1ed3m hai g\u1ed1c α–glucose, trong \u0111ó m\u1ed9t g\u1ed1c v\u1eabn còn nhóm –OH hemiacetal → có <strong data-end=\"839\" data-start=\"827\">tính kh\u1eed<\/strong>. Saccharose g\u1ed3m glucose và fructose, c\u1ea3 hai \u0111\u1ec1u \u0111ã tham gia liên k\u1ebft glycosid → <strong data-end=\"955\" data-start=\"920\">không còn nhóm hemiacetal t\u1ef1 do<\/strong>, nên <strong data-end=\"982\" data-start=\"961\">không có tính kh\u1eed<\/strong>.<\/p><\/li> <li data-end=\"1043\" data-start=\"986\"><p data-end=\"1043\" data-start=\"988\"><strong data-end=\"998\" data-start=\"988\">A sai:<\/strong> Ch\u1ec9 maltose có tính kh\u1eed, saccharose không.<\/p><\/li> <li data-end=\"1132\" data-start=\"1044\"><p data-end=\"1132\" data-start=\"1046\"><strong data-end=\"1056\" data-start=\"1046\">B sai:<\/strong> Saccharose th\u1ee7y phân t\u1ea1o <strong data-end=\"1105\" data-start=\"1082\">glucose và fructose<\/strong>, không ph\u1ea3i ch\u1ec9 glucose.<\/p><\/li> <li data-end=\"1201\" data-is-last-node=\"\" data-start=\"1133\"><p data-end=\"1201\" data-is-last-node=\"\" data-start=\"1135\"><strong data-end=\"1145\" data-start=\"1135\">D sai:<\/strong> Maltose ch\u1ec9 g\u1ed3m hai g\u1ed1c <strong data-end=\"1181\" data-start=\"1170\">glucose<\/strong>, không có fructose.<\/p><\/li><\/ul><\/article>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-09-21 14:57:01","option_type":"txt","len":3}]}