·¢²¼Ê±¼ä : ÐÇÆÚÈý ÎÄÕÂDNAÊÇÖ÷ÒªµÄÒÅ´«ÎïÖʸ´Ï°¿Î½ÌѧÉè¼Æ¸üÐÂÍê±Ï¿ªÊ¼ÔĶÁ88dbe1a4fac75fbfc77da26925c52cc58ad69043
²¡°ß²»Í¬£¨ÈçÏÂͼA£©£¬ÊÔ·ÖÎöͼBÖУ¨a£©¡¢£¨b£©¡¢£¨c£©Èý¸öʵÑé²¢»Ø´ðÎÊÌâ¡£
£¨1£©£¨a£©±íʾÓà ¸ÐȾÑ̲ÝÒ¶£¬½á¹û ¡£ £¨2£©£¨b£©±íʾÓà ¸ÐȾÑ̲ÝÒ¶£¬½á¹û ¡£ £¨3£©£¨c£©±íʾÓà ¸ÐȾÑ̲ÝÒ¶£¬½á¹û ¡£ £¨4£©£¨d£©±íʾÓÉÈ˹¤ºÏ³ÉµÄв¡¶¾£¬Æä²úÉúµÄºó´úÊÇ ÐÍ¡£ £¨5£©Õû¸öʵÑé˵Ã÷ ¡£ ´ð°¸£¨1£©TMVµÄµ°°×ÖÊÍâ¿Ç ÎÞ²¡°ß £¨2£©HRVµÄRNA³öÏÖHRV¸ÐȾÑ̲ÝÒ¶µÄ²¡°ß £¨3£©TMVµÄµ°°×ÖÊÍâ¿ÇºÍHRVµÄRNAºÏ³ÉµÄв¡¶¾ ³öÏÖHRV¸ÐȾÑ̲ÝÒ¶µÄ²¡°ß £¨4£©HRV £¨5£©RNAÊÇÒÅ´«ÎïÖʶøµ°°×Öʲ»ÊÇÒÅ´«ÎïÖÊ Í¨¹ý´ËÀýÌâµÄ½²ÊöÈÃѧÉúÄܸüÉî¿ÌµØÀí½âRNAÊÇÒÅ´«ÎïÖÊ¡£ £¨Èý£©DNAÊÇÖ÷ÒªµÄÒÅ´«ÎïÖÊ
1£®¾ßÓÐϸ°û½á¹¹µÄÉúÎÎÞÂÛÊÇԺ˻¹ÊÇÕæºË£©ÆäÒÅ´«ÎïÖʶ¼ÊÇDNA¡£ 2£®²»¾ßÓÐϸ°û½á¹¹µÄÉúÎ¡ª²¡¶¾£º¶àÊýÒÅ´«ÎïÖÊÊÇDNA£¬ÈçT2ÊɾúÌå¡£ÉÙÊýÒÅ´«ÎïÖÊÊÇRNA£¬ÈçHIV²¡¶¾£¬SARS²¡¶¾¡£
3£®Õë¶ÔÕû¸öÉúÎï½çÀ´Ëµ£¬ÉúÎïµÄÒÅ´«ÎïÖÊÊǺËËᣬDNAÊÇÖ÷ÒªµÄÒÅ´«ÎïÖÊ¡£ Àý4¡¢ÏÂÁÐÓйء°DNAÊÇÉúÎïµÄÖ÷ÒªÒÅ´«ÎïÖÊ¡±µÄÐðÊö£¬ÕýÈ·µÄÊÇ ( ) A.ËùÓÐÉúÎïµÄÒÅ´«ÎïÖʶ¼ÊÇDNA
B.ÕæºËÉúÎï¡¢ÔºËÉúÎï¡¢´ó²¿·Ö²¡¶¾µÄÒÅ´«ÎïÖÊÊÇDNA£¬ÉÙ²¿·Ö²¡¶¾µÄÒÅ´«ÎïÖÊÊÇRNA
C.¶¯Îï¡¢Ö²Îï¡¢Õæ¾úµÄÒÅ´«ÎïÖÊÊÇDNA£¬³ý´ËÖ®ÍâµÄÆäËûÉúÎïµÄÒÅ´«ÎïÖÊÊÇRNA
D.ÕæºËÉúÎï¡¢ÔºËÉúÎïµÄÒÅ´«ÎïÖÊÊÇDNA£¬ÆäËûÉúÎïµÄÒÅ´«ÎïÖÊÊÇRNA
´ð°¸ B
Æß¡¢°åÊéÉè¼Æ
µÚ1½Ú DNAÊÇÖ÷ÒªµÄÒÅ´«ÎïÖÊ
£¨Ò»£©DNAÊÇÒÅ´«ÎïÖÊ
1. ·ÎÑ×Ë«Çò¾úµÄת»¯ÊµÑé 2. ÊɾúÌåÇÖȾϸ¾úµÄʵÑé £¨¶þ£©RNAÒ²ÊÇÒÅ´«ÎïÖÊ £¨Èý£©DNAÊÇÖ÷ÒªµÄÒÅ´«ÎïÖÊ
°Ë¡¢Ñ§Éú×ÔÖ÷ÑÝÁ·£ºÑ§°¸ºÍ×ÊÁÏÏà¹ØÄÚÈÝ ¾Å¡¢½Ìºó·´Ë¼ ±¾½Ú½ÌѧÖУº
£¨1£©Í¨¹ýÉèÖÃÎÊÌâ´®Òýµ¼Ñ§ÉúÖØοÆѧ¼ÒËù×öµÄʵÑ飬ʹѧÉúÀí½âʵÑéÔÀí¡¢ÔÔò¡¢·½·¨²½Ö衢ʵÑéÏÖÏó£¬ÔÚÌÖÂÛ½»Á÷µÄ»ù´¡É϶ÔʵÑé½áÂÛ½øÐÐÁìÎòºÍÑÓÉì¡£ £¨2£©Òýµ¼Ñ§ÉúÁªÏµÒÅ´«ÐÅÏ¢µÄЯ´øÕß¡ª¡ªºËËá¡¢DNAµÄ¸´ÖƺͻùÒò¿ØÖƵ°°×Öʵĺϳɣ»ÁªÏµÏ¸¾úµÄÅàÑø¼¼Êõ£¬ÎïÖʵÄÌáÈ¡¡¢·ÖÀë¼¼ÊõµÈ¡£
£¨3£©Òýµ¼Ñ§Éú¶ÔµäÐÍÀýÌâÓÈÆäÊǸ߿¼ÕæÌâ½øÐз´Ë¼£¬Ê¹ÖªÊ¶Ó¦ÓÃÁé»î»¯¡¢·½·¨»¯£¬²¢ÈÃѧÉúÌå»á¸ß¿¼ÕæÌâµÄ÷ÈÁ¦ºÍÄÚº¡£