ÌâÄ¿ÄÚÈÝ
4£®ÈçͼΪ´ó³¦¸Ë¾úµÄDNA·Ö×ӽṹʾÒâͼ£¨Æ¬¶Î£©£®Çë¾Ýͼ»Ø´ðÎÊÌ⣺£¨1£©Í¼ÖÐ1±íʾÁ×Ëᣬ2±íʾÍÑÑõºËÌÇ£¬1¡¢2¡¢3½áºÏÔÚÒ»ÆðµÄ½á¹¹½ÐÍÑÑõºËÜÕËᣬÐéÏß¿òÖеIJ¿·Ö½ÐÍÑÑõºËÜÕËáÁ´£®
£¨2£©Í¼ÖÐ3ÓÐ4ÖÖ£¬ÖÐÎÄÃûÃû³Æͳ³ÆΪº¬µª¼î»ù£®
£¨3£©DNA·Ö×ÓÖÐ3ºÍ4ÊÇͨ¹ýÇâ¼üÁ¬½ÓÆðÀ´µÄ£®
£¨4£©DNA±»³¹µ×Ñõ»¯·Ö½âºó£¬ÄܲúÉúº¬µª·ÏÎïµÄÊÇ3¡¢4£¨ÓÃÐòºÅ±íʾ£©£®
£¨5£©¸Ã½á¹¹ÔÚ¿Õ¼ä³ÊË«ÂÝÐý ½á¹¹£®
£¨6£©¸Ã½á¹¹Ä£Ð͵Ä×îÔ罨Á¢ÕßÊÇÎÖɺͿËÀï¿Ë£®
·ÖÎö ·ÖÎöÌâͼ£ºÍ¼Ê¾Îª´ó³¦¸Ë¾úDNA·Ö×ӽṹµÄÒ»ÌõÍÑÑõºËÜÕË᳤Á´£¬ÆäÖÐ1ΪÁ×Ëᣬ2ΪÍÑÑõºËÌÇ£¬3Ϊº¬µª¼î»ù£¬ÕâÈýÕß¹²Í¬¹¹³ÉDNA·Ö×ӵĻù±¾×é³Éµ¥Î»£¬¼´ÍÑÑõºËÌǺËÜÕËᣮ
½â´ð ½â£º£¨1£©ÓÉÒÔÉÏ·ÖÎö¿ÉÖª£¬1ÊÇÁ×Ëá¡¢2ÊÇÍÑÑõºËÌÇ¡¢3ÊǼî»ù£¬1¡¢2ºÍ3½áºÏÔÚÒ»Æð¹¹³ÉÍÑÑõºËÜÕËᣬÐéÏß¿òÖеIJ¿·Ö½ÐÍÑÑõºËÜÕËáÁ´£®
£¨2£©3ÊǺ¬µª¼î»ù£¬×é³ÉDNAµÄ¼î»ùÓÐ4ÖÖ£¬¼´A¡¢T¡¢G¡¢C£®
£¨3£©DNA·Ö×ÓÖÐ3ºÍ4ÊÇͨ¹ýÇâ¼üÁ¬½ÓÆðÀ´µÄ£®
£¨4£©DNA³¹µ×Ñõ»¯·Ö½âºó£¬ÄܲúÉúº¬µª·ÏÎïµÄÊǺ¬µª¼î»ù£¬¼´Í¼ÖеÄ3ºÍ4£®
£¨5£©¸Ã½á¹¹ÔÚ¿Õ¼ä³ÊË«ÂÝÐý ½á¹¹£®
£¨6£©¸Ã½á¹¹Ä£Ð͵Ä×îÔ罨Á¢ÕßÊÇÎÖɺͿËÀï¿Ë£®
¹Ê´ð°¸Îª£º
£¨1£©Á×Ëá ÍÑÑõºËÌÇ ÍÑÑõºËÜÕËá ÍÑÑõºËÜÕËáÁ´
£¨2£©4 º¬µª¼î»ù
£¨3£©Çâ¼ü
£¨4£©3¡¢4
£¨5£©Ë«ÂÝÐý
£¨6£©ÎÖɺͿËÀï¿Ë
µãÆÀ ±¾Ìâ½áºÏ´ó³¦¸Ë¾úDNA·Ö×ӽṹµÄÒ»ÌõÍÑÑõºËÜÕË᳤Á´£¬¿¼²éDNA·Ö×ӽṹµÄÖ÷ÒªÌص㣬ҪÇó¿¼Éúʶ¼ÇDNA·Ö×ӽṹµÄÖ÷ÒªÌص㣬ÄÜ׼ȷÅжÏͼÖи÷½á¹¹µÄÃû³Æ£¬ÔÙ½áºÏËùѧµÄ֪ʶ׼ȷ´ðÌ⣬ÊôÓÚ¿¼¸Ùʶ¼Ç²ã´ÎµÄ¿¼²é£®
A£® | Ë®µÄ¹â½â | B£® | CO2µÄ¹Ì¶¨ | ||
C£® | C3µÄ»¹Ô | D£® | ¸øÉúÃü»î¶¯ÌṩÄÜÁ¿ |
A£® | AͼËù´¦µÄ·ÖÁÑʱÆÚÊÇÓÐË¿·ÖÁѺóÆÚ£¬º¬ÓÐ4¶ÔͬԴȾɫÌå | |
B£® | BͼÖÐȾɫÌå¢ÙÓë¢ÚµÄ·ÖÀë·¢ÉúÔÚCͼµÄfg¶Î | |
C£® | ȾɫÌå¢ÙÉÏ»ùÒòDºÍd»ùÒòµÄ·ÖÀë·¢ÉúÔÚCͼµÄef¶Î | |
D£® | ÈôBͼϸ°ûÍê³É·ÖÁÑÐγÉÁË»ùÒòÐÍΪDAµÄ×Óϸ°û£¬Ôòͬʱ²úÉúµÄÁíÍâ3¸ö×Óϸ°ûµÄ»ùÒòÐÍÊÇDA¡¢da¡¢da |
A£® | Ãϵ¶û»ñµÃ³É¹¦µÄÔÒòÓÐÑ¡¶ÔʵÑé²ÄÁÏ£¬ÔËÓÃͳ¼ÆѧµÄ·½·¨£¬´ÓÒ»¶ÔÐÔ×´µÄÑо¿µ½¶à¶ÔÐÔ×´µÄÑо¿µÈ | |
B£® | Ãϵ¶ûµÄʵÑéÔËÓÃÁ˼Ù˵-ÑÝÒï·¨ | |
C£® | ¸ñÀï·Æ˹ÒÔСÊóΪʵÑé²ÄÁϵóöSÐÍ·ÎÑ×Ë«Çò¾úµÄDNAÊÇÒÅ´«ÎïÖÊ | |
D£® | Èø¶ÙÀûÓÃÀà±ÈÍÆÀíµÄ·½·¨µÃ³ö»ùÒòλÓÚȾɫÌåÉϵÄÍÆÂÛ |
°±»ùËá | ±û°±Ëá | ËÕ°±Ëá | ¾«°±Ëá | É«°±Ëá |
ÃÜÂë×Ó | GCA | ACU | CGU | UGG |
GCG | ACC | CGC | ||
GCC | ACA | CGA | ||
GCU | ACG | CGG |
£¨2£©¸Ã¹ý³ÌµÄÄ£°åÊÇ[3]ÐÅʹRNA£®
£¨3£©ÓÉͼÖÐÐÅÏ¢¿ÉÍÆÖªDNAÄ£°åÁ´É϶ÔÓ¦µÄ¼î»ùÐòÁÐÓÉ×óÏòÓÒÒÀ´ÎΪACCCGATTTGGC£®
£¨4£©¸ù¾Ýͼ²¢²Î¿¼ÓÒ±í·ÖÎö£º[1]תÔËRNAÉÏ϶˵ÄÈý¸ö¼î»ù½Ð·´ÃÜÂë×Ó£¬ÆäЯ´øµÄ°±»ùËáÊDZû°±Ëᣮ
A£® | Ò¶ÂÌÌå | B£® | ÒºÅÝ | C£® | ÖÐÐÄÌå | D£® | ÏßÁ£Ìå |