ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿ÔÚDNA¸´ÖÆ¿ªÊ¼Ê±£¬½«´ó³¦¸Ë¾ú·ÅÔÚº¬µÍ¼ÁÁ¿3H±ê¼ÇµÄÍÑÑõÐØÜÕ£¨3H-dT£©µÄÅàÑø»ùÖУ¬3H-dT¿É²ôÈëÕýÔÚ¸´ÖƵÄDNA·Ö×ÓÖУ¬Ê¹Æä´øÓзÅÉäÐÔ±ê¼Ç¡£¼¸·ÖÖӺ󣬽«´ó³¦¸Ë¾úתÒƵ½º¬¸ß¼ÁÁ¿3H-dTµÄÅàÑø»ùÖÐÅàÑøÒ»¶Îʱ¼ä¡£ÊÕ¼¯¡¢Áѽâϸ°û£¬³éÈ¡ÆäÖеÄDNA½øÐзÅÉäÐÔ×ÔÏÔÓ°¼ì²â£¬½á¹ûÈçͼËùʾ¡£¾Ýͼ¿ÉÒÔ×÷³öµÄÍƲâÊÇ£¨ £©
A.¸´ÖÆÆðʼÇøÔڸ߷ÅÉäÐÔÇøÓò
B.DNA¸´ÖÆΪ°ë±£Áô¸´ÖÆ
C.DNA¸´ÖÆ´ÓÆðʼµãÏòÁ½¸ö·½ÏòÑÓÉì
D.DNA¸´ÖÆ·½ÏòΪa¡úc
¡¾´ð°¸¡¿C
¡¾½âÎö¡¿·ÖÎöͼÐοÉÖª£¬¸´ÖÆÆðʼÇøÔڵͷÅÉäÐÔÇøÓò£¬A´íÎó£»·ÅÉäÐÔ×ÔÏÔÓ°¼¼ÊõÎÞ·¨È·¶¨DNA¸´ÖƵķ½Ê½£¬B´íÎ󣻵ͷÅÉäÐÔÇøÓòÁ½²à¾ùΪ¸ß·ÅÉäÐÔÇø¶Î£¬ËµÃ÷DNA¸´ÖÆ´ÓÆðʼµãÏò×óÓÒÁ½¸ö·½ÏòÑÓÉ죬CÕýÈ·£»µÍ·ÅÉäÐÔÇøÓòÁ½²à¾ùΪ¸ß·ÅÉäÐÔÇø¶Î£¬ËµÃ÷DNA¸´ÖÆ·½ÏòΪa¡ûb¡úc£¬D´íÎó¡£
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿