1952Ä꣬ºÕ¶ûÏ£ºÍ²Ì˹ÀûÓÃͬλËرê¼Ç·¨£¬Íê³ÉÁËÖøÃûµÄÊɾúÌåÇÖȾϸ¾úµÄʵÑ飬ʵÑé°üÀ¨4¸ö²½Ö裺¢Ù±ê¼ÇµÄÊɾúÌåÇÖȾδ±»±ê¼Ç´ó³¦¸Ë¾ú ¢Ú35SºÍ32P·Ö±ð±ê¼ÇÊɾúÌå ¢Û·ÅÉäÐÔ¼ì²â ¢ÜÀëÐÄ·ÖÀë¡£
£¨1£©¸ÃʵÑé²½ÖèµÄÕýȷ˳ÐòÊÇ                       (ÕýÈ·Ìîд³ö˳Ðò±àºÅ)¡£
£¨2£©ÏÂͼÖÐ׶ÐÎÆ¿ÄÚµÄÅàÑøÒºÊÇÓÃÀ´ÅàÑø                       £¬ÆäÄÚµÄÓªÑø³É·ÖÖÐÄÜ·ñº¬ÓÐ32P£¿             ¡£

£¨3£©Èç¹ûÈ÷ÅÉäÐÔͬλËØÖ÷Òª·Ö²¼ÔÚͼÖÐÀëÐĹܵÄÉÏÇåÒºÖУ¬Ôò»ñµÃ¸ÃʵÑéÖеÄÊɾúÌåµÄÅàÑø·½·¨ÊÇ£¨      £©¡£

A£®Óú¬35SµÄÅàÑø»ùÖ±½ÓÅàÑøÊɾúÌå
B£®Óú¬32PÅàÑø»ùÖ±½ÓÅàÑøÊɾúÌå
C£®Óú¬35SµÄÅàÑø»ùÅàÑøϸ¾ú£¬ÔÙÓôËϸ¾úÅàÑøÊɾúÌå
D£®Óú¬32PµÄÅàÑø»ùÅàÑøϸ¾ú£¬ÔÙÓôËϸ¾úÅàÑøÊɾúÌå
£¨4£©Óñ»32P±ê¼ÇµÄÊɾúÌåÈ¥ÇÖȾδ±»±ê¼ÇµÄ´ó³¦¸Ë¾ú£¬ÀëÐĺ󣬷¢ÏÖÉÏÇåÒºÖÐÓзÅÉäÐÔÎïÖÊ´æÔÚ£¬ÕâЩ·ÅÉäÐÔÎïÖʵÄÀ´Ô´¿ÉÄÜÊÇ£º
¢Ù                                                                     ¡£
¢Ú                                                                     ¡£
£¨5£©Á¬ÐøÅàÑøÊɾúÌån´ú£¬Ôòº¬Ç×´úÊɾúÌåDNAµÄ¸öÌåÓ¦Õ¼×ÜÊýµÄ               ¡£

(1)¢Ú¢Ù¢Ü¢Û¡¡¡¡£¨2£©´ó³¦¸Ë¾ú  ; ²»º¬ÓР   ¡¡¡¡¡¡£¨3£©C     
£¨4£©¢ÙûÓÐÇÖÈë´ó³¦¸Ë¾úµÄÊɾúÌå
¢ÚÇÖÈë´ó³¦¸Ë¾úµÄÊɾúÌå¾­ÔöÖ³ºóÊͷųöµÄ×Ó´úÊɾúÌå¡£
£¨5£©1/2n-1

½âÎö

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÉúÎï À´Ô´£º ÌâÐÍ£º

ÒÅ´«ÎïÖʵķ¢ÏÖÊÇÖÚ¶à¿Æѧ¼Ò¹²Í¬Å¬Á¦µÄ½á¹û¡£Çë»Ø´ðÏÂÁÐÓйØÒÅ´«ÎïÖÊ·¢ÏÖµÄÎÊÌ⣺

(1)1928Ä꣬Ӣ¹ú¿Æѧ¼Ò¸ñÀï·Æ˼ͨ¹ý·ÎÑ×Ë«Çò¾ú¸ÐȾСÊóʵÑ飬֤Ã÷ÁËÔÚSÐÍϸ¾úÖУ¬±ØÈ»´æÔÚ½«ÎÞ¶¾ÐÔµÄRÐÍ»îϸ¾úת»¯ÎªÓж¾ÐÔSÐÍ»îϸ¾úµÄ__________¡£

(2)1944Ä꣬ÃÀ¹ú¿Æѧ¼Ò°¬¸¥Àï¼°ÆäͬÊÂͨ¹ýʵÑéÖ¤Ã÷ÁËDNAÊÇÒÅ´«ÎïÖÊ¡£ÊµÑéµÄÇÉÃîÖ®´¦ÊÇ°ÑSÐ;úµÄ_________________

µÈÎïÖÊÌá´¿£¬·Ö±ð¼ÓÈëµ½ÅàÑø__________µÄÅàÑø»ùÖУ¬µ¥¶À¹Û²ìËüÃǵÄ×÷Óá£

(3)1952Ä꣬ºÕ¶ûÏ£ºÍ²Ì˹ÀûÓ÷ÅÉäÐÔÔªËرê¼Ç·¨½øÐÐÁËÊɾúÌåÇÖȾϸ¾úʵÑé¡£ÈôÓÃDNA±»32P±ê¼Ç¡¢µ°°×ÖÊÖÐSÊÇ32SµÄÊɾúÌåÇÖȾDNAÖÐPÊÇ31P¡¢µ°°×Öʱ»35S±ê¼ÇµÄ´ó³¦¸Ë¾ú£¬²úÉúµÄ×ÓÒ»´úÊɾúÌåÖк¬32SµÄÕ¼__________%£»×Ó¶þ´úÊɾúÌåµÄDNA·Ö×ÓÖк¬32PµÄÕ¼__________%¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÉúÎï À´Ô´£º2011½ìɽ¶«Ê¡ÑĮ̀ÊиßÈýÉÏѧÆÚÄ£¿é¼ì²âÉúÎïÊÔ¾í ÌâÐÍ£º×ÛºÏÌâ

1952Ä꣬ºÕ¶ûÏ£ºÍ²Ì˹½øÐеÄÊɾúÌåÇÖȾϸ¾úµÄʵÑ飬ÊÇÈËÀà̽¾¿¡°Ê²Ã´ÊÇÒÅ´«ÎïÖÊ¡±µÄ×î¾ß˵·þÁ¦µÄʵÑé¡£ÏÂͼΪÓú¬32PµÄT2ÊɾúÌåÇÖȾ´ó³¦¸Ë¾ú£¨T2ÊɾúÌåרÐÔ¼ÄÉúÔڴ󳦸˾úϸ°ûÄÚ£©µÄʵÑ飬¾Ýͼ»Ø´ðÏÂÁÐÎÊÌ⣺[À´Ô´:ѧ*¿Æ*ÍøZ*X*X*K]

£¨1£©T2ÊɾúÌåµÄ×é³É³É·ÖÊǵ°°×ÖʺÍDNA¡£Èç¹û½öƾ²ÂÏ룬¿ØÖÆÆäÐÔ×´µÄÒÅ´«ÎïÖÊÓпÉÄÜÊÇ                                                                      ¡£
£¨2£©ÄãÈÏΪÔõÑù²ÅÄܵõ½±»32P±ê¼ÇµÄT2ÊɾúÌ壿Çë¼òÊöÄãµÄʵÑé·½°¸¡£
                                                                                
                                                                                
£¨3£©µ±½ÓÖÖÊɾúÌåºóÅàÑøʱ¼ä¹ý³¤£¬·¢ÏÖÔÚ½Á°èºóµÄÉÏÇåÒºÖÐÓзÅÉäÐÔ£¬Æä×î¿ÉÄܵÄÔ­ÒòÊÇ                                                          ¡£
£¨4£©Ò»¸öÊɾúÌ庬ÓÐÒ»¸ö DNA·Ö×Ó¡£ÀíÂÛÉÏ·ÖÎö£¬Ò»¸ö±»32P±ê¼ÇµÄT2ÊɾúÌå¸ÐȾϸ¾úºó£¬¸´ÖƳön¸ö×Ó´úÊɾúÌ壬ÆäÖÐЯ´ø32PµÄÊɾúÌåÓР             ¸ö¡£¸´ÖÆʱÓõÄÔ­²ÄÁÏÀ´×ÔÓÚ                                                       ¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÉúÎï À´Ô´£º2015½ìºÓÄÏÖÜ¿ÚÊÐÓ¢ÎÄѧУ¸ßÒ»ÏÂѧÆÚµÚÈý´ÎÔ¿¼ÉúÎïÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£º×ÛºÏÌâ

1952Ä꣬ºÕ¶ûÏ£ºÍ²Ì˹ÀûÓÃͬλËرê¼Ç·¨Íê³ÉÁËÖøÃûµÄÊɾúÌåÇÖȾϸ¾úµÄʵÑ飬ÏÂÃæÊÇʵÑéµÄ²¿·Ö²½Ö裬¾Ýͼ»Ø´ðÏÂÁÐÎÊÌ⣺

£¨1£©ÈôͼÖÐCÓдóÁ¿µÄ·ÅÉäÐÔ£¬Ôò½øÈë´ó³¦¸Ë¾úÌåÄÚµÄÊÇÓÃ__________£¨Ìî¡°32P¡±»ò¡°35S¡±£©±ê¼ÇµÄ__________¡£

£¨2£©ÔÚÀíÂÛÉÏ£¬ÉϲãÒº·ÅÉäÐÔÓ¦¸ÃΪ0£¬ÆäÔ­ÒòÊÇ__________ûÓнøÈëµ½´ó³¦¸Ë¾úÄÚ²¿¡£

£¨3£©ÊɾúÌåÇÖȾϸ¾úʵÑéÖ¤Ã÷ÁË__________¡£

£¨4£©ÔÚµªÔ´Îª14NºÍ15NµÄÅàÑø»ùÉÏÉú³¤µÄ´ó³¦¸Ë¾ú£¬ÆäDNA·Ö×Ó·Ö±ðΪ14N¡ªDNA£¨Ïà¶Ô·Ö×ÓÖÊÁ¿Îªa£©ºÍ15N¡ªDNA£¨Ïà¶Ô·Ö×ÓÖÊÁ¿Îªb£©¡£½«Ö»º¬15N¡ªDNAµÄÇ×´ú´ó³¦¸Ë¾úתÒƵ½º¬14NµÄÅàÑø»ùÉÏ£¬Á¬Ðø·±Ö³Á½´ú£¨IºÍII£©£¬ÓÃijÖÖÀëÐÄ·½·¨·ÖÀëµÃµ½µÄ½á¹ûÈçÏÂͼËùʾ¡£

Ô¤¼ÆµÚIII´úϸ¾úDNA·Ö×ÓµÄƽ¾ùÏà¶Ô·Ö×ÓÖÊÁ¿Îª__________¡£

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÉúÎï À´Ô´£º2014½ì½­ËÕÄϾ©Ê¦´ó¸½Öн­Äþ·ÖУ¸ßÒ»ÏÂѧÆÚÆÚÄ©ÉúÎïÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£º×ÛºÏÌâ

£¨5·Ö£©1952Ä꣬ºÕ¶ûÏ£ºÍ²Ì˹ÀûÓÃͬλËرê¼Ç·¨Íê³ÉÁËÖøÃûµÄÊɾúÌåÇÖȾϸ¾úµÄʵÑ飬ÏÂÃæÊÇʵÑéµÄ²¿·Ö²½Ö裬¾Ýͼ»Ø´ðÏÂÁÐÎÊÌ⣺

£¨1£©ÈôͼÖÐCÓдóÁ¿µÄ·ÅÉäÐÔ£¬Ôò½øÈë´ó³¦¸Ë¾úÌåÄÚµÄÊÇÓÃ__________£¨Ìî¡°32P¡±»ò¡°35S¡±£©±ê¼ÇµÄ__________¡£

£¨2£©ÔÚÀíÂÛÉÏ£¬ÉϲãÒº·ÅÉäÐÔÓ¦¸ÃΪ0£¬ÆäÔ­ÒòÊÇ__________ûÓнøÈëµ½´ó³¦¸Ë¾úÄÚ²¿¡£

£¨3£©ÊɾúÌåÇÖȾϸ¾úʵÑéÖ¤Ã÷ÁË__________¡£

£¨4£©ÔÚµªÔ´Îª14NºÍ15NµÄÅàÑø»ùÉÏÉú³¤µÄ´ó³¦¸Ë¾ú£¬ÆäDNA·Ö×Ó·Ö±ðΪ14N¡ªDNA£¨Ïà¶Ô·Ö×ÓÖÊÁ¿Îªa£©ºÍ15N¡ªDNA£¨Ïà¶Ô·Ö×ÓÖÊÁ¿Îªb£©¡£½«Ö»º¬15N¡ªDNAµÄÇ×´ú´ó³¦¸Ë¾úתÒƵ½º¬14NµÄÅàÑø»ùÉÏ£¬Á¬Ðø·±Ö³Á½´ú£¨IºÍII£©£¬ÓÃijÖÖÀëÐÄ·½·¨·ÖÀëµÃµ½µÄ½á¹ûÈçÏÂͼËùʾ¡£

Ô¤¼ÆµÚIII´úϸ¾úDNA·Ö×ÓµÄƽ¾ùÏà¶Ô·Ö×ÓÖÊÁ¿Îª__________¡£

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÉúÎï À´Ô´£º2010-2011ѧÄêºÚÁú½­Ê¡¸ßÈý¸ß¿¼·ÂÕæѵÁ·Ì⣨Àí×Û£©ÉúÎﲿ·Ö ÌâÐÍ£ºÑ¡ÔñÌâ

»Ø´ðÏÂÁÐʵÑéÓë̽¾¿µÄÏà¹ØÎÊÌâ¡£

£¨1£©ÖʱڷÖÀëʵÑ飺ÖÆ×÷×ÏÉ«Ñó´ÐÁÛƬҶ±íƤµÄÁÙʱװƬ£¬´Ó¸Ç²£Æ¬Ò»²àµÎÈëëÙÖ¬ºìÈÜÒº(Ö²Îïϸ°û²»ÎüÊյĺìɫȾÁÏ)£¬ÔÚÁíÒ»²àÓÃÎüˮֽÎüÒý£¬Öظ´¼¸´Î£¬Ê¹²ÄÁϽþÈóÔÚëÙÖ¬ºìÈÜÒºÖС£ÏÔ΢¾µ¹Û²ì½á¹ûÈçͼ¡£

A¡¢B´¦µÄÑÕÉ«·Ö±ðÊÇ       ¡¢       ¡£½«ÉÏÊö²£Æ¬·ÅÔÚ80¡æÏ´¦ÀíÒ»¶Îʱ¼äºó¹Û²ì£¬·¢ÏÖB´¦ÑÕÉ«·¢Éú±ä»¯£¬Ô­Òò¿ÉÄÜÊǸßÎÂÏÂʹÉúÎïĤʧȥ                ¡£

£¨2£©×ö¡°¹Û²ìÖ²Îïϸ°ûµÄÓÐË¿·ÖÁÑ¡±ÊµÑéʱ£¬Ëù¿´µ½µÄϸ°û´ó¶àÊý´¦ÓÚ        ÆÚ£»Ä³Í¬Ñ§»æÖÆÁËϸ°û·ÖÁÑÆÚµÄÈý¸öʱÆÚģʽͼ(¼×¡¢ÒÒ¡¢±û)£¬ÇëÄãÔÚ¶¡Í¼ÉÏ»­³öϸ°û·ÖÁÑÆÚÖÐËùȱʱÆÚµÄģʽͼ¡£

 £¨3£©1952Ä꣬ºÕ¶ûÏ£ºÍ²Ì˹ÀûÓÃͬλËرê¼Ç·¨£¬Íê³ÉÁËÖøÃûµÄÊɾúÌåÇÖȾϸ¾úµÄʵÑ飬

      ʵÑé°üÀ¨4¸ö²½Ö裺¢ÙÀûÓÃϸ¾úÅàÑøÊɾúÌ壻¢ÚÓÃ35SºÍ32P·Ö±ð±ê¼ÇÊɾúÌ壻¢Û·ÅÉäÐÔ¼ì²â£»¢ÜÀëÐÄ·ÖÀë¡£¸ÃʵÑé²½ÖèµÄÕýȷ˳ÐòÊÇ           

      A£®¢Ù¢Ú¢Ü¢Û    B£®¢Ü¢Ú¢Ù¢Û    C£®¢Ú¢Ù¢Ü¢Û    D£®¢Ú¢Ù¢Û¢Ü

 

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸