Ngày tải lên :
16/06/2014, 21:42
... cha nhng amino axit cú s nhúm amino v s nhúm cacboxyl bng l: A Gly, Ala, Glu, Tyr B Gly, Val, Lys, Ala C Gly, Ala, Glu, Lys D Gly, Val, Tyr, Ala Cõu 55: Hai hp cht hu c X, Y cú cựng cụng thc ... phõn hon ton mol oligopeptit X mch h thu c mol Gly, mol Ala, mol Val, mol Tyr Mt khỏc, nu thy phõn khụng hon ton thỡ thu c sn phn cú cha Gly-Val, Val-Gly S cụng thc cu to phự hp ca X l A B C D Cõu ... Dóy cỏc cht sau: butan, vinylaxetilen, etylen glycol, stiren, toluen, acrolein, glucoz Hi nhng cht no cú th lm mt mu dung dch brom? A butan, etylen glycol, stiren, toluen B stiren, vinylaxetilen,...