3£®»Ø´ðÏÂÁÐÒÅ´«Ñ§ÎÊÌâ
¢ñÇë¸ù¾ÝÏÂÃæµÄÒÅ´«ÏµÆ×ͼ»Ø´ðÎÊÌ⣺
£¨1£©Èô¸Ã²¡Îª°×»¯²¡£¨Ö²¡»ùÒòÓÃa±íʾ£©£¬Ôò¢ó3»ùÒòÐÍΪAA»òAa£¬Ëû²»ÊÇЯ´øÕߵĸÅÂÊΪ$\frac{1}{3}$£®
£¨2£©Èô¸Ã²¡ÎªºìÂÌɫ䣨ֲ¡»ùÒòÓÃb±íʾ£©£¬Ôò¢ñ4µÄ»ùÒòÐÍΪXBXb£¬¢ó1²»ÊÇЯ´øÕߵĸÅÂÊΪ$\frac{1}{2}$£®
£¨3£©Èô¢ó2ͬʱ»¼Óа׻¯²¡ºÍºìÂÌɫ䣬Ôò¢ò1µÄ»ùÒòÐÍΪAaXBY£®
¢ò¡¢ÔÚ¼Ò²ÏÒÅ´«ÖУ¬ÓײÏÌåÉ«µÄºÚÉ«Óëµ­³àÉ«ÊÇÒ»¶ÔÏà¶ÔÐÔ×´£¬¼ëµÄ»ÆÉ«Óë°×É«ÊÇÒ»
¶ÔÏà¶ÔÐÔ×´£¬²»Í¬ÔÓ½»×éºÏµÃµ½µÄ×Ó´úÊýÁ¿±È¼ûÏÂ±í£®
×Ó´ú×éºÏÇ×±¾ºÚ²Ï
»Æ¼ë
ºÚ²Ï
°×¼ë
µ­³à²Ï
»Æ¼ë
µ­³à²Ï
°×¼ë
Ò»ºÚ²Ï»Æ¼ë¡ÁºÚ²Ï°×¼ë3010
¶þºÚ²Ï»Æ¼ë¡ÁºÚ²Ï»Æ¼ë9331
ÈýºÚ²Ï»Æ¼ë¡Áµ­³à²Ï°×¼ë1111
Çë»Ø´ðÎÊÌ⣺
£¨1£©×éºÏÒ»µÄ½á¹û±íÃ÷¼ëÉ«µÄÏà¶ÔÐÔ×´ÖлÆɫΪÏÔÐÔ£®
£¨2£©×éºÏ¶þµÄ½á¹û±íÃ÷¿ØÖÆÓײÏÌåÉ«ºÍ¼ëÉ«µÄ»ùÒòλÓÚ2¶ÔͬԴȾɫÌåÉÏ£¬×éºÏ¶þ×Ó´úÖд¿ºÏ×ӵĸÅÂÊΪ$\frac{1}{4}$£®
£¨3£©ÈôÓÃD¡¢dºÍB¡¢b·Ö±ð±íʾÓײÏÌåÉ«ºÍ¼ëÉ«µÄµÈλ»ùÒò£¬×éºÏÈýÖкڲϻƼëµÄÇ×±¾»ùÒòÐÍΪDdBb£¬´ËÔÓ½»·½Ê½ÔÚÒÅ´«Ñ§ÉϳÆΪ²â½»£®

·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£®

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÉúÎï À´Ô´£º ÌâÐÍ£º½â´ðÌâ

16£®Èý½Ç÷Òò»¨ÆÚ³¤¡¢»¨É«ÑÞÀöÔÚÎ÷²ý³ÇÏçÂÌ»¯Öй㷺ӦÓã®ÎªÑо¿ÑÎвÆȶÔÈý½Ç÷¹âºÏÌØÐÔµÄÓ°Ï죬ÔÚ²»Í¬ÍâÔ´NaClŨ¶ÈÏÂÅèÔÔÈý½Ç÷£¬ÓÚÉÏÎç9£º00-10£º00´Óÿ×éÑ¡È¡ÏàͬÊýÁ¿µÄҶƬ£¬½øÐÐCO2ÎüÊÕÁ¿¡¢Ò¶ÂÌËغ¬Á¿¼°°û¼äCO2Ũ¶ÈµÄ²â¶¨£¬½á¹ûÈçͼ£®Çë»Ø´ðÏÂÁÐÎÊÌ⣺

£¨1£©Ò¶ÂÌËØ´æÔÚÓÚÒ¶ÂÌÌåÖеÄÀàÄÒÌ屡Ĥ£¨ÀàÄÒÌå¡¢»ùÁ££©ÉÏ£®
£¨2£©ÎüÊÕµÄCO2±»¹Ì¶¨³ÉC3£®ÊµÑé²âµÃµÄCO2ÎüÊÕÁ¿Ð¡ÓÚ£¨´óÓÚ¡¢µÈÓÚ¡¢Ð¡ÓÚ£©¹âºÏ×÷Óùý³ÌÖÐCO2¹Ì¶¨Á¿£¬Ô­ÒòÊÇÓÐÑõºôÎüµÚ¶þ½×¶Î²úÉúµÄCO2¿ÉÓÃÓÚ¹âºÏ×÷Óã®
£¨3£©´Óͼ1¿ÉÖª£¬µ±NaClŨ¶È³¬¹ý50mmol/Lʱ¾»¹âºÏËÙÂÊ¿ªÊ¼ÏÔÖøϽµ£¬´Óͼ2ºÍͼ3·ÖÎöÔì³É¸ÃÏÖÏóµÄÔ­Òò×î¿ÉÄÜÊÇÑÎвÆÈÏÂÒ¶ÂÌËؼõÉÙ£¨Ò¶ÂÌËغ¬Á¿½µµÍ£©£®ÊµÑéÖ¤Ã÷£¬ÔÚÑÎвÆÈÏÂÉ«Ëغ¬Á¿µÄ±ä»¯Ö÷ÒªÊÇÓÉÓÚø¶ÔÒ¶ÂÌËØbµÄ½µ½âËùÖ£¬¶ÔÆäËüÉ«Ëغ¬Á¿Ó°Ïì½ÏС£®ÓÃÖ½²ãÎö·¨·ÖÀë NaClŨ¶È200mmol/LϵÄҶƬÖÐÉ«ËØ£¬ÓëÕý³£Ò¶Æ¬Ïà±È²îÒì×î´óµÄÉ«ËØ´øӦλÓÚÂËÖ½ÌõµÄ×î϶ˣ®

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

18£®ÏÂͼÊÇijÐÛÐÔ²¸È鶯Îïϸ°û·ÖÁѵÄʾÒâͼ£¬ÊôÓÚÓÐË¿·ÖÁѵÄÊÇ£¨¡¡¡¡£©
A£®B£®C£®D£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÉúÎï À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

8£®ÏÂÁйØÓÚͬԴȾɫÌåµÄÐðÊöÖÐÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A£®¼õÊý·ÖÁѹý³ÌÖÐÁª»áÅä¶ÔµÄÁ½ÌõȾɫÌå
B£®·Ö±ðÀ´×Ô¸¸·½»òĸ·½µÄÁ½ÌõȾɫÌå
C£®Í¬Ê±À´×Ô¸¸·½»òĸ·½µÄÁ½ÌõȾɫÌå
D£®´óСÐÎ×´ÍêÈ«ÏàͬµÄÁ½ÌõȾɫÌå

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÉúÎï À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

15£®Èçͼ±íʾÔÚÒ»ÌõÉñ¾­ÏËάµÄ¼ýÍ·´¦Ìṩһ¸ö×㹻ǿµÄ´Ì¼¤£¬Ð˷ܽøÐÐË«Ïò´«µ¼£¬ÏÂÁÐÄܱíʾ¸Ã´Ì¼¤·¢ÉúºóµÄijһʱ¿ÌµÄÉñ¾­ÏËάÄÚÍâ²àµÄµçλÊÇ£¨¡¡¡¡£©
A£®B£®
C£®D£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÉúÎï À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

12£®ÒÑÖªAUG¡¢GUGΪÆðʼÃÜÂë×Ó£¬UAA¡¢UGA¡¢UAGΪÖÕÖ¹ÃÜÂë×Ó£¬Ä³»ùÒò±àÂëÇø·´ÒåÁ´£¨×ªÂ¼Ê±ÆðÄ£°å×÷ÓõÄÁ´£©µÄ¼î»ùÅÅÁÐ˳ÐòÈçÏ£ºCACAAATACATGTTACTATTAACGATTCGTACT£¬Ôò´Ë»ùÒò¿ØºÏ³ÉµÄµ°°×ÖÊÖк¬Óа±»ùËá¸öÊý×î¶àΪ£¨¡¡¡¡£©
A£®6B£®8C£®11D£®ÎÞ·¨ÅжÏ

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>>

ͬ²½Á·Ï°²á´ð°¸