×Ó´ú×éºÏÇ×±¾ | ºÚ²Ï »Æ¼ë | ºÚ²Ï °×¼ë | µ³à²Ï »Æ¼ë | µ³à²Ï °×¼ë | |
Ò» | ºÚ²Ï»Æ¼ë¡ÁºÚ²Ï°×¼ë | 3 | 0 | 1 | 0 |
¶þ | ºÚ²Ï»Æ¼ë¡ÁºÚ²Ï»Æ¼ë | 9 | 3 | 3 | 1 |
Èý | ºÚ²Ï»Æ¼ë¡Áµ³à²Ï°×¼ë | 1 | 1 | 1 | 1 |
·ÖÎö ÎÞÖÐÉúÓÐΪÒþÐÔ£¬Í¼ÖТò-1¡¢¢ò-2Õý³££¬¢ó-2Óв¡¿ÉÖª£¬ËµÃ÷¸Ã²¡ÊÇÒþÐÔÒÅ´«²¡£¬ÓÉÓÚ»¼²¡µÄÊÇÄк¢£¬ËùÒÔÖ²¡»ùÒò¿ÉÄÜÔÚ³£È¾É«Ìå»òXȾɫÌåÉÏ£®
·ÖÎö±í¸ñ£º×éºÏÒ»×Ó´úÖУ¬ºÚÉ«£ºµ³àÉ«=3£º1£¬»Æ¼ë£º°×¼ë=4£º0£¬¿ÉÈ·¶¨ºÚÉ«¶Ôµ³àɫΪÏÔÐÔ£¬»Æ¼ë¶Ô°×¼ëΪÏÔÐÔ£»×éºÏ¶þ×Ó´úÖУ¬ºÚÉ«£ºµ³àÉ«=3£º1£¬»Æ¼ë£º°×¼ë=3£º1£¬ÔòÇ×±¾µÄ»ùÒòÐÍΪDdBbºÍDdBb£»×éºÏÈý×Ó´úÖУ¬ºÚÉ«£ºµ³àÉ«=1£º1£¬»Æ¼ë£º°×¼ë=1£º1£¬ÔòÇ×±¾µÄ»ùÒòÐÍΪDdBbºÍddbb£®¾Ý´Ë´ðÌ⣮
½â´ð ½â£º¢ñ£¨1£©Èô¸Ã²¡Îª°×»¯²¡£¨Ö²¡»ùÒòÓÃa±íʾ£©£¬Ôò¢ó-2Ϊaa£¬Ôò¢ò-1¡¢¢ò-2¶¼ÊÇAa£¬ËùÒÔ¢ó-3µÄ»ùÒòÐÍΪAA»òAa£¬Ëû²»ÊÇЯ´øÕߣ¨´¿ºÏ×Ó£©µÄ¸ÅÂÊΪ$\frac{1}{3}$£®
£¨2£©Èô¸Ã²¡ÎªºìÂÌɫ䣨ֲ¡»ùÒòÓÃb±íʾ£©£¬Ôò¢ó-2ΪXbY£¬ÆäĸÇ×¢ò-2ºÍÍâÆÅ¢ñ-4µÄ»ùÒòÐͶ¼ÊÇXBXb£¬¢ó1ΪЯ´øÕߵĸÅÂÊΪ$\frac{1}{2}$£¬²»Ð¯´øµÄ¸ÅÂÊÒ²ÊÇ$\frac{1}{2}$£®
£¨3£©Èô¢ó2ͬʱ»¼Óа׻¯²¡ºÍºìÂÌɫ䣬Ôò¢ò1µÄ»ùÒòÐÍΪAaXBY£®
¢ò£¨1£©¸ù¾Ý·ÖÎö£¬×éºÏÒ»µÄ½á¹û±íÃ÷¼ëÉ«µÄÏà¶ÔÐÔ×´ÖлÆɫΪÏÔÐÔ£®
£¨2£©×éºÏ¶þµÄ½á¹ûΪ9£º3£º3£º1£¬±íÃ÷¿ØÖÆÓײÏÌåÉ«ºÍ¼ëÉ«µÄ»ùÒòλÓÚÁ½¶ÔͬԴȾɫÌåÉÏ£¬²¢ÇÒÇ×±¾¾ùΪ˫ÔÓºÏ×Ó£¨DdBb£©£¬×Ó´úÖд¿ºÏ×ӵĸÅÂÊ=$\frac{1}{2}¡Á\frac{1}{2}=\frac{1}{4}$£®
£¨3£©×éºÏÈýÖкڲϻƼëµÄÇ×±¾»ùÒòÐÍΪDdBb£¬µ³à²Ï°×¼ëµÄÇ×±¾»ùÒòÐÍΪddbb£¬ÔÓºÏ×ÓÓëÒþÐÔ´¿ºÏ×ÓÔÓ½»£¬ÔÚÒÅ´«Ñ§ÉϳÆΪ²â½»£®
¹Ê´ð°¸Îª£º
¢ñ£¨1£©AA»òAa $\frac{1}{3}$
£¨2£©XBXb $\frac{1}{2}$
£¨3£©AaXBY
¢ò£¨1£©»Æ
£¨2£©2 $\frac{1}{4}$
£¨3£©DdBb ²â½»
µãÆÀ ±¾Ìâ½áºÏÁ½×éÔÓ½»ÊµÑéµÄ½á¹û£¬¿¼²é»ùÒò×ÔÓÉ×éºÏ¶¨Âɼ°Ó¦Óã¬Ê×ÏÈÒªÇó¿¼ÉúÄÜÀûÓÃÖð¶Ô·ÖÎö·¨£¬¸ù¾Ý×Ó´úµÄ±íÏÖÐͼ°±ÈÀýÍƲâÁ½¶ÔÐÔ×´µÄÏÔÒþÐÔ¹ØϵºÍÇ×´úµÄ»ùÒòÐÍ£»È»ºóÔÙ¶ÔÑ¡Ïî×÷³ö׼ȷµÄÅжϣ¬ÊôÓÚ¿¼¸ÙÀí½âºÍÓ¦Óòã´ÎµÄ¿¼²é£®
Ä꼶 | ¸ßÖÐ¿Î³Ì | Ä꼶 | ³õÖÐ¿Î³Ì |
¸ßÒ» | ¸ßÒ»Ãâ·Ñ¿Î³ÌÍƼö£¡ | ³õÒ» | ³õÒ»Ãâ·Ñ¿Î³ÌÍƼö£¡ |
¸ß¶þ | ¸ß¶þÃâ·Ñ¿Î³ÌÍƼö£¡ | ³õ¶þ | ³õ¶þÃâ·Ñ¿Î³ÌÍƼö£¡ |
¸ßÈý | ¸ßÈýÃâ·Ñ¿Î³ÌÍƼö£¡ | ³õÈý | ³õÈýÃâ·Ñ¿Î³ÌÍƼö£¡ |
¿ÆÄ¿£º¸ßÖÐÉúÎï À´Ô´£º ÌâÐÍ£º½â´ðÌâ
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÉúÎï À´Ô´£º2016½ì½Î÷ÍòÔظßÈýµÚËÄ´ÎÀí¿Æ×ÛºÏÄÜÁ¦Ä£Äâ³å´ÌÊÔ¾íÉúÎïÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£ºÑ¡ÔñÌâ
ÔÚÒ»¸öÏà¶ÔÎȶ¨µÄÉú̬ϵͳÖУ¬C¼ÈÒÔBΪʳ£¬Ò²ÒÔAΪʳ£¬AÊÇÉú²úÕߣ¬BÊdzõ¼¶Ïû·ÑÕߣ¬DÒÔÖ²ÎïµÄ²ÐÖ¦°ÜÒ¶¡¢¶¯ÎïµÄÅÅйÎï¼°ÒÅÌåΪʳ¡£ÈôCͬ»¯µÄ×ÜÄÜÁ¿Îªa£¬ÆäÖÐÓÉA¾¹ýA¡úC¹ý³ÌµÄ¹©ÄܱÈÀýΪx¡£ÏÂÁÐÐðÊöÕýÈ·µÄÊÇ£¨ £©
A£®ÉÏÊöÉú̬ϵͳÖеÄʳÎïÍøÓÉ4ÌõʳÎïÁ´×é³É
B£®ÔÚ¸ÃÉú̬ϵͳÖУ¬Ì¼ÔªËØÊÇÒÔ¶þÑõ»¯Ì¼µÄÐÎʽÔÚA¡¢B¡¢C¡¢DÖ®¼äÑ»·Íù¸´
C£®°´ÄÜÁ¿×îµÍ´«µÝЧÂʼÆË㣬Èç¹ûCͬ»¯µÄ×ÜÄÜÁ¿Îªa£¬ËùÐèÒªAµÄ×ÜÄÜÁ¿yÓëxµÄº¯Êý¹ØϵʽΪy=100a-90ax
D£®A¡¢B¡¢C¡¢DÊýÁ¿Ô½¶à£¬Éú̬ϵͳ¾ÍÔ½Îȶ¨
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÉúÎï À´Ô´£º2016½ì½Î÷ÄϲýµÚ¶þÖÐѧÁÙ´¨µÚÒ»ÖиßÈý4ÔÂÁª¿¼¶þÀí×ÛÉúÎï¾í£¨½âÎö°æ£© ÌâÐÍ£º×ÛºÏÌâ
ÔÚÉúÎïµÄÉú³¤·¢Óý¹ý³ÌÖУ¬»ùÒòÊÇÑ¡ÔñÐÔ±í´ïµÄ¡£Ä³ÕæºËÉúÎҪÏë»ñµÃ¼«ÎªÏ¡ÉÙµÄmRNA¼°Æä¿Ë¡£¬¿ÉÒÔÓÃÏÂͼËùʾµÄ²îÒìÔÓ½»·¨¡£Poly£¨A)ÊÇָλÓÚmRNAÉϵÄ150-200¸öÏÙÜÕËá²Ð»ù¡£Çë»Ø´ðÏÂÁÐÎÊÌâ¡£
£¨1£©ÀûÓñí´ïÄ¿µÄmRNAµÄϸ°û»ñµÃ·ÅÉäÐÔ±êÖ¾µÄ̽Õëʱ£¬ÐèÒªÓÃ________ø£¬¿ÉÒÔÓÃ_______×÷ΪÒýÎï¡£
£¨2£©ÓÃôÇ»ùÁ×»ÒʯÖù²ãÎö·¨£¬»ØÊÕ______________£¨ÌδÔÓ½»µÄ32P±ê¼ÇµÄµ¥Á´DNA¡±»ò¡°ÔÓ½»·Ö×Ó¡±£©£¬Óù¹½¨________£¨Ìî¡°»ùÒò×顱»ò¡°cDNA¡±£©ÎÄ¿â¡£
£¨3£©ÔÚÉúÎïµÄÉú³¤·¢Óý¹ý³ÌÖУ¬ÓÉÓÚ»ùÒòÑ¡ÔñÐÔ±í´ïµ¼ÖÂϸ°û__________£¬¸Ã¹ý³ÌµÄ½á¹ûʹ¶àϸ°ûÉúÎïÌåÖеÄϸ°ûÇ÷Ïò____________£¬ÓÐÀûÓÚÌá¸ß¸÷ÖÖÉúÀí¹¦ÄܵÄЧÂÊ¡£
£¨4£©ÈôÓÃNaOHË®½â³ýÈ¥mRNA»ñµÃµÄ·Ö×ÓÓë²»±í´ïÄ¿µÄmRNAϸ°ûÖлñµÃµÄµ¥Á´DNAÔÓ½»£¬¿ÉÄÜÐγÉÔÓºÏË«Á´ÇøºÍÓÎÀëµÄµ¥Á´Çø£¬ÔÒòÊÇ_________________________________________________________¡£
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÉúÎï À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ
A£® | B£® | C£® | D£® |
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÉúÎï À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ
A£® | ¼õÊý·ÖÁѹý³ÌÖÐÁª»áÅä¶ÔµÄÁ½ÌõȾɫÌå | |
B£® | ·Ö±ðÀ´×Ô¸¸·½»òĸ·½µÄÁ½ÌõȾɫÌå | |
C£® | ͬʱÀ´×Ô¸¸·½»òĸ·½µÄÁ½ÌõȾɫÌå | |
D£® | ´óСÐÎ×´ÍêÈ«ÏàͬµÄÁ½ÌõȾɫÌå |
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÉúÎï À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ
A£® | B£® | ||||
C£® | D£® |
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÉúÎï À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ
A£® | 6 | B£® | 8 | C£® | 11 | D£® | ÎÞ·¨ÅÐ¶Ï |
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÉúÎï À´Ô´£º2016½ì¼ªÁÖ´óѧ¸½ÊôÖÐѧ¸ßÈýÄ£Ä⿼ÊÔÀí¿Æ×ÛºÏÉúÎïÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£ºÑ¡ÔñÌâ
ÏÂÁйØÓÚÉñ¾Ð˷ܵÄÐðÊö£¬ÕýÈ·µÄÊÇ
A£®ÔÚÌض¨Çé¿öÏ£¬Éñ¾µÝÖÊÒ²ÄÜʹ¼¡ÈâÊÕËõ»òijЩÏÙÌå·ÖÃÚ
B£®Éñ¾ÔªÊܵ½Èκδ̼¤Ê±£¬Öü´æÓÚÍ»´¥Ð¡ÅÝÄÚµÄÉñ¾µÝÖʶ¼»áÊͷųöÀ´
C£®Na+ÄÚÁ÷ÊDzúÉú¾²Ï¢µçλµÄÖ÷ÒªÔÒò
D£®ÐË·ÜÔÚ·´É仡ÖеĴ«µ¼ÊÇË«ÏòµÄ
²é¿´´ð°¸ºÍ½âÎö>>
°Ù¶ÈÖÂÐÅ - Á·Ï°²áÁбí - ÊÔÌâÁбí
ºþ±±Ê¡»¥ÁªÍøÎ¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨Æ½Ì¨ | ÍøÉÏÓк¦ÐÅÏ¢¾Ù±¨×¨Çø | µçÐÅթƾٱ¨×¨Çø | ÉæÀúÊ·ÐéÎÞÖ÷ÒåÓк¦ÐÅÏ¢¾Ù±¨×¨Çø | ÉæÆóÇÖȨ¾Ù±¨×¨Çø
Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com