5£®ÈçͼÊÇij¼Ò×åÒÅ´«ÏµÆ×ͼ£¬ÒÑÖª¼×²¡£¨»ùÒòÓÃA¡¢a±íʾ£©ÎªÒ»ÖÖ³£È¾É«ÌåÒÅ´«²¡£®Çë»Ø´ðÏÂÁÐÎÊÌ⣮
£¨1£©¼×²¡µÄÒÅ´«·½Ê½Îª³£È¾É«ÌåÒþÐÔÒÅ´«£¬ÒÒ²¡£¨»ùÒòÓÃB¡¢b±íʾ£©µÄÒÅ´«·½Ê½Îª³£È¾É«ÌåÏÔÐÔÒÅ´«£®
£¨2£©¢ó-2¸öÌåµÄ»ùÒòÐÍÊÇaaBb£®Èç¹û¢ò-6²»Ð¯´ø¼×²¡Ö²¡»ùÒò£¬ÔòͼÖТó-2Óë¢ó-3½á»éÉúÒ»¶ÔͬÂÑË«°ûÌ¥£¬Á½¸öº¢×Ó¶¼µÃ²¡µÄ¸ÅÂÊÊÇ$\frac{5}{8}$£®
£¨3£©¢ò-5¸öÌåÔÚÐγÉÉúֳϸ°ûʱ£¬¿ØÖÆÒÒ²¡µÄ»ùÒòºÍÕý³£»ùÒòµÄ·ÖÀë·¢ÉúÔÚ¼õÊýµÚÒ»´Î·ÖÁѺóÆÚ£®

·ÖÎö ¸ù¾ÝÌâÒâºÍϵÆ×ͼ·ÖÎö¿ÉÖª£º¢ò1ºÍ¢ò2¶¼²»»¼¼×²¡£¬µ«ËûÃÇÓÐÒ»¸ö»¼¼×²¡µÄ¶ù×Ó£¨¢ó2£©£¬¼´¡°ÎÞÖÐÉúÓÐΪÒþÐÔ¡±£¬ËµÃ÷¼×²¡ÊÇÒþÐÔÒÅ´«²¡£¬ÓÖÒÑÖª¼×²¡ÊÇÒ»ÖÖ³£È¾É«ÌåÒÅ´«²¡£¬ËùÒԼײ¡Êdz£È¾É«ÌåÒþÐÔÒÅ´«²¡£»¢ò5ºÍ¢ò6¶¼»¼ÒÒ²¡£¬µ«ËûÃÇÓÐÒ»¸ö²»»¼¼×²¡µÄÅ®¶ù£¨¢ó3£©£¬¼´¡°ÓÐÖÐÉúÎÞΪÏÔÐÔ£¬ÏÔÐÔ¿´Äв¡£¬Äв¡Å®Õý·Ç°éÐÔ¡±£¬ËùÒÔÒÒ²¡Êdz£È¾É«ÌåÏÔÐÔÒÅ´«²¡£®

½â´ð ½â£º£¨1£©¸ù¾Ý·ÖÎö¿ÉÖª£¬¼×²¡µÄÒÅ´«·½Ê½Îª³£È¾É«ÌåÒþÐÔÒÅ´«£¬ÒÒ²¡µÄÒÅ´«·½Ê½Îª³£È¾É«ÌåÏÔÐÔÒÅ´«£®
£¨2£©¢ó2¸öÌ廼ÓÐÁ½ÖÖ²¡£¬Æä»ùÒòÐÍÊÇΪaaB_£¬¢ò1¸öÌå²»»¼ÒÒ²¡£¬Æä»ùÒòÐÍΪbb£¬ËùÒÔ¢ó2¸öÌåµÄ»ùÒòÐÍΪaaBb£»Èô¢ò6²»Ð¯´ø¼×²¡Ö²¡»ùÒò£¨AA£©£¬¢ò5µÄ»ùÒòÐÍΪAa£¬Ôò¢ó3µÄ»ùÒòÐͼ°¸ÅÂÊΪ$\frac{1}{2}$AAbb¡¢$\frac{1}{2}$Aabb£¬¢ó2£¨aaBb£©Óë¢ó3½á»éËùÉúº¢×Ó»¼¼×²¡µÄ¸ÅÂÊΪ$\frac{1}{2}¡Á\frac{1}{2}=\frac{1}{4}$£¬»¼ÒÒ²¡µÄ¸ÅÂÊΪ$\frac{1}{2}$£¬ËùÒÔËûÃÇËùÉúº¢×Ó²»»¼²¡µÄ¸ÅÂÊΪ1-$£¨1-\frac{1}{4}£©£¨1-\frac{1}{2}£©=\frac{5}{8}$£¬ÓÉÓÚͬÂÑË«°ûÌ¥µÄ»ùÒòÐÍÏàͬ£¬ËùÒÔÁ½¸öº¢×Ó¶¼µÃ²¡µÄ¸ÅÂÊÊÇ$\frac{5}{8}$£®
£¨3£©¿ØÖÆÒÒ²¡µÄ»ùÒòºÍÕý³£»ùÒòÊÇÒ»¶ÔµÈλ»ùÒò£¬µÈλ»ùÒòµÄ·ÖÀë·¢ÉúÔÚ¼õÊýµÚÒ»´Î·ÖÁѺóÆÚ£®
¹Ê´ð°¸Îª£º
£¨1£©³£È¾É«ÌåÒþÐÔÒÅ´« ³£È¾É«ÌåÏÔÐÔÒÅ´«
£¨2£©aaBb ¡¡$\frac{5}{8}$
£¨3£©¼õÊýµÚÒ»´Î·ÖÁѺóÆÚ

µãÆÀ ±¾Ìâ½áºÏϵÆ×ͼ£¬¿¼²é³£¼ûµÄÈËÀàÒÅ´«²¡£¬Ê×ÏÈÒªÇó¿¼ÉúÄܸù¾ÝϵÆ×ͼ£¬ÀûÓÿھ÷£¨¡°ÎÞÖÐÉúÓÐΪÒþÐÔ£¬ÒþÐÔ¿´Å®²¡£¬Å®²¡ÄÐÕý·Ç°éÐÔ¡±¡¢¡°ÓÐÖÐÉúÎÞΪÏÔÐÔ£¬ÏÔÐÔ¿´Äв¡£¬Äв¡Å®Õý·Ç°éÐÔ¡±£©Åжϳö¼×²¡ºÍÒÒ²¡µÄÒÅ´«·½Ê½£»Æä´ÎÒªÇó¿¼ÉúÕÆÎÕ»ùÒò×ÔÓÉ×éºÏ¶¨ÂɵÄʵÖÊ£¬ÄÜÔËÓÃÖð¶Ô·ÖÎö·¨½øÐÐÏà¹Ø¸ÅÂʵļÆË㣮

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÉúÎï À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

18£®ÏÂÁÐÓйØATPµÄÐðÊö£¬ÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A£®ÏßÁ£ÌåºÏ³ÉµÄATP²»¿ÉÔÚϸ°ûºËÖÐÏûºÄ
B£®»úÌåÔÚÔ˶¯Ê±ÏûºÄATP£¬Ë¯ÃßʱÔò²»ÏûºÄATP
C£®ÓÎÓ¾Ô˶¯Ô±ËïÑî¹Ç÷À¼¡Ï¸°ûÖеÄATPº¬Á¿Ã÷ÏÔ¸ßÓÚͬÁäµÄ½¡¿µÄÐ×Ó
D£®Ö²Îï¸ùϸ°ûÎüÊÕ¿óÖÊÔªËØÀë×ÓËùÐèµÄATPÀ´Ô´ÓÚºôÎü×÷ÓÃ

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÉúÎï À´Ô´£º2015-2016ѧÄêËÄ´¨³É¶¼Íâ¹úÓï¸ßÒ»ÏÂÆÚÄ©¿¼ÊÔÀí¿ÆÉúÎï¾í£¨½âÎö°æ£© ÌâÐÍ£ºÑ¡ÔñÌâ

ÏÂͼÖÐa¡¢b¡¢c¡¢d±íʾÈ˵ÄÉúÖ³ÖÜÆÚÖв»Í¬µÄÉúÀí¹ý³Ì¡£ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ

A£®a¡¢b¡¢c¡¢d¹ý³ÌÖоù¿É·¢Éú»ùÒòÍ»±ä

B£®»ùÒòÖØ×é·¢ÉúÔÚb¡¢c¡¢d¹ý³ÌÖÐ

C£®ÒÅ´«¶àÑùÐÔµÄÔ­ÒòÖ»Òòc¹ý³ÌµÄËæ»úÐÔ

D£®d¹ý³Ì°üÀ¨ÓÐË¿·ÖÁѺÍϸ°û·Ö»¯ºÍϸ°ûµòÍö

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÉúÎï À´Ô´£º2015-2016ѧÄêËÄ´¨³É¶¼Íâ¹úÓï¸ßÒ»ÏÂÆÚÄ©¿¼ÊÔÀí¿ÆÉúÎï¾í£¨½âÎö°æ£© ÌâÐÍ£ºÑ¡ÔñÌâ

ÓÃ15N±ê¼Çº¬ÓÐ100¸ö¼î»ù¶ÔµÄDNA·Ö×Ó£¬ÆäÖÐÓаûà×à¤60¸ö£¬¸ÃDNA·Ö×ÓÔÚ14NµÄÅàÑø»ùÖÐÁ¬Ðø¸´ÖÆ4´Î£¬Æä½á¹û²»¿ÉÄÜÊÇ£¨ £©

A£®º¬ÓÐ15NµÄDNA·Ö×ÓÕ¼1/8

B£®º¬ÓÐ14NµÄDNA·Ö×ÓÕ¼7/8

C£®¸´Öƹý³ÌÖÐÐèÒªÏÙàÑßÊÍÑÑõºËÜÕËá600¸ö

D£®¸´Öƽá¹û¹²²úÉú16¸öDNA·Ö×Ó

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÉúÎï À´Ô´£º2015-2016ѧÄêËÄ´¨³É¶¼Íâ¹úÓï¸ßÒ»ÏÂÆÚÄ©¿¼ÊÔÀí¿ÆÉúÎï¾í£¨½âÎö°æ£© ÌâÐÍ£ºÑ¡ÔñÌâ

ÏÂÁйØÓÚDNA·Ö×ӽṹÓ빦ÄܵÄ˵·¨£¬´íÎóµÄÊÇ

A£®DNA·Ö×ÓÖÐG-C¼î»ù¶Ôº¬Á¿Ïà¶ÔÔ½¸ß£¬Æä½á¹¹Îȶ¨ÐÔÏà¶ÔÔ½´ó

B£®DNA·Ö×ÓÖмî»ùÅÅÁÐ˳ÐòµÄǧ±äÍò»¯£¬¹¹³ÉÁËDNA·Ö×ӵĶàÑùÐÔ

C£®DNA·Ö×ÓµÄÌØÒìÐÔ±íÏÖÔÚ¼î»ù»¥²¹Åä¶ÔÔ­ÔòÉÏ

D£®DNA·Ö×Ó¸´ÖÆʱ£¬ÔÚ½âÐýø×÷ÓÃÏÂÁ½ÌõÁ´Ö®¼äµÄÇâ¼ü¶ÏÁÑ

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÉúÎï À´Ô´£º ÌâÐÍ£ºÌî¿ÕÌâ

10£®ÈçͼΪζȺÍpH¶ÔijÖÖøӰÏìµÄÁ½ÇúÏߣº
´Ó¼×ºÍÒÒͼ¿É¿´³ö£º·´Ó¦ÈÜÒºpH£¨Î¶ȣ©µÄ±ä»¯²»Ó°Ïìø×÷ÓõÄ×îÊÊÒËζȣ¨PH£©£¬¶ÁͼÒÒ¿É֪ͼ¼×ÖÐMµãµÄζȿÉÄܽéÓÚ33¡«37¡æÖ®¼ä£¬ÇëÔÚͼ¼×Öлæ³öpH=8µÄ±ä»¯ÇúÏߣ®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÉúÎï À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

17£®ÈçͼÊÇij¼Ò×åµÄϵÆ×ͼ£¬¸Ã¼Ò×åÖÐÓмף¨»ùÒòΪA¡¢a£©ºÍÒÒ£¨»ùÒòΪB¡¢b£©Á½ÖÖÒÅ´«²¡£¬ÒÒ²¡»¼ÕßµÄÐÔȾɫÌå×é³ÉÓëÄÐÐÔÏàͬ£¬ÌåÄÚÓÐغÍ裬µ«ÍâòÓëÕý³£Å®ÐÔÒ»Ñù£¬ÇÒ±íÏÖΪ²»Óý£»ÒÑÖª¸Ã¼Ò×åÖÐ7ºÅ¸öÌåÎÞ¼×Ö²¡»ùÒò£¬1ºÅ¸öÌåÎÞÒÒ²¡Ö²¡»ùÒò£®ÔÚ²»¿¼ÂǼÒϵÄÚ·¢ÉúеĻùÒòÍ»±äµÄÇé¿öÏ£¬ÏÂÁÐÓйطÖÎöºÍÍƶÏÖУ¬´íÎóµÄÊÇ£¨¡¡¡¡£©
A£®¼×²¡ºÍÒÒ²¡µÄÒÅ´«·½Ê½·Ö±ðΪ³£È¾É«ÌåÒþÐÔÒÅ´«ºÍ°éXȾɫÌåÒþÐÔÒÅ´«
B£®4ºÅ¸öÌåµÄ»ùÒòÐÍΪAAXbY»òAaXbY£¬5ºÅ¸öÌåµÄ»ùÒòÐÍΪaaXBY
C£®Èô11ºÅ¸öÌåºÍ12ºÅ¸öÌå½á»é£¬ÉúÏ»¼¼×²¡µ«²»»»ÒÒ²¡µÄº¢×ӵĸÅÂÊΪ$\frac{15}{192}$
D£®10ºÅ¸öÌåµÄÖ²¡»ùÒò²»¿ÉÄÜÀ´×Ô7ºÅ¸öÌ壬ÆäÒÒ²¡Ö²¡»ùÒòÀ´×Ô2ºÅ¸öÌå

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÉúÎï À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

14£®ÈçͼΪÈËÌå´¦ÓÚijһ״̬ʱµÄƤ·ô½á¹¹Ê¾Òâͼ¾Ýͼ¿ÉÖª£¬´ËÈËÕý´¦ÓÚ£¨¡¡¡¡£©
A£®ÌåÄÚµÄTRH·ÖÃÚÁ¿¼õÉÙB£®Ñ×ÈÈ»·¾³ÖÐ
C£®ÌåÄڵļ××´ÏÙ¼¤ËØ´Ëʱʧ»îÁ¿Ôö¼ÓD£®¾çÁÒÔ˶¯ÖÐ

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÉúÎï À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

13£®ÏÂÁж¼ÊÇÔ­ºËÉúÎïµÄÒ»×éÊÇ£¨¡¡¡¡£©
A£®¿Ý²Ý¸Ë¾ú¡¢·ÅÏß¾ú¡¢ÄîÖéÔåB£®·¢²Ë¡¢²¤²Ë¡¢¾Â²Ë
C£®½Íĸ¾ú¡¢ÄîÖéÔå¡¢À¶ÇòÔåD£®Çàù¾ú¡¢·ÅÏß¾ú¡¢ÈéËá¾ú

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸