ÔÚÊɾúÌåÇÖȾϸ¾úʵÑéÖУ¬·Ö±ðÓÃ32 PºÍ35S±ê¼ÇµÄÊɾúÌåÈ¥ÇÖȾδ±ê¼ÇµÄϸ¾ú£¬ÊɾúÌåÔÚϸ¾úÌåÄÚ¸´ÖÆÁËÈý´ú£¬ÔòÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ£¨   £©

A£®ÊɾúÌåÇÖȾϸ¾úµÄʵÑé¿ÉÒÔÖ¤Ã÷DNAÊÇÖ÷ÒªµÄÒÅ´«ÎïÖÊ
B£®º¬ÓÐ32 PµÄ×Ó´úÊɾúÌåºÍº¬ÓÐ35SµÄ×Ó´úÊɾúÌå·Ö±ðÕ¼×Ó´úÊɾúÌå×ÜÊýµÄ1/4ºÍ0
C£®±ê¼ÇÊɾúÌåµÄ·½·¨ÊÇ·Ö±ðÓú¬32PµÄÅàÑø»ùºÍ35SµÄÅàÑø»ùÅàÑøÊɾúÌå
D£®ÉÏÊö¹ý³ÌÖÐÊɾúÌåµÄÒÅ´«ÐÅÏ¢Á÷¶¯·½ÏòÊÇ:DNA¡úRNA¡úµ°°×ÖÊ

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÉúÎï À´Ô´£º ÌâÐÍ£º

ÔÚÊɾúÌåÇÖȾϸ¾úʵÑéÖУ¬Èç¹ûϸ¾úÌåÄÚµÄDNAºÍµ°°×ÖÊ·Ö±ðº¬ÓÐ31PºÍ32S£¬ÊɾúÌåÖеÄDNAºÍµ°°×ÖÊ·Ö±ðº¬ÓÐ32PºÍ35S£¬ÊɾúÌåDNAÔÚϸ¾úÌåÄÚ¸´ÖÆÁËÈý´Î£¬ÄÇô´Óϸ¾úÌåÄÚÊͷųöµÄ×Ó´úÊɾúÌåÖк¬ÓÐ32PµÄÊɾúÌåºÍº¬ÓÐ35SµÄÊɾúÌå·Ö±ðÕ¼×Ó´úÊɾúÌå×ÜÊýµÄ?

A.1/4ºÍ1

B.3/4ºÍ0?

C.1/4ºÍ0

D.3/4ºÍ1

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÉúÎï À´Ô´£º2015½ìºÓÄÏÌƺÓÏصÚÒ»¸ß¼¶ÖÐѧ¸ßÒ»ÏÂѧÆÚµÚÎå´ÎÔ¿¼ÉúÎï¾í£¨½âÎö°æ£© ÌâÐÍ£ºÑ¡ÔñÌâ

ÔÚÊɾúÌåÇÖȾϸ¾úʵÑéÖУ¬Èç¹ûϸ¾úÌåÄÚµÄDNAºÍµ°°×ÖÊ·Ö±ðº¬ÓÐ31PºÍ32S£¬ÊɾúÌåÖеÄDNAºÍµ°°×ÖÊ·Ö±ðº¬ÓÐ32PºÍ35S£¬ÊɾúÌåDNAÔÚϸ¾úÌåÄÚ¸´ÖÆÁËÈý´Î£¬ÄÇô´Óϸ¾úÌåÄÚÊͷųöµÄ×Ó´úÊɾúÌåÖк¬ÓÐ32PµÄÊɾúÌåºÍº¬ÓÐ35SµÄÊɾúÌå·Ö±ðÕ¼×Ó´úÊɾúÌå×ÜÊýµÄ 

A£®1/4ºÍ1          B£®3/4ºÍ0           C£®1/4ºÍ0          D£®3/4ºÍ1

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÉúÎï À´Ô´£º2014½ì¼ªÁÖÊ¡¸ßÒ»ÏÂѧÆÚµÚÈý´ÎÔ¿¼ÉúÎïÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£ºÑ¡ÔñÌâ

ÔÚÊɾúÌåÇÖȾϸ¾úʵÑéÖУ¬Èç¹ûϸ¾úÌåÄÚµÄDNAºÍµ°°×ÖÊ·Ö±ðº¬ÓÐ31PºÍ32S£¬ÊɾúÌåÖеÄDNAºÍµ°°×ÖÊ·Ö±ðº¬ÓÐ32PºÍ35S£¬ÊɾúÌåDNAÔÚϸ¾úÌåÄÚ¸´ÖÆÁËÈý´Î£¬ÄÇô´Óϸ¾úÌåÄÚÊͷųöµÄ×Ó´úÊɾúÌåÖк¬ÓÐ32PµÄÊɾúÌåºÍº¬ÓÐ35SµÄÊɾúÌå·Ö±ðÕ¼×Ó´úÊɾúÌå×ÜÊýµÄ                              

A£®1/4ºÍ1        B£®3/4ºÍ0        C£®1/4ºÍ0            D£®3/4ºÍ1

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÉúÎï À´Ô´£º2013½ì½­Î÷Ê¡¸ß¶þ¾ÅÔ·ÝÔ¿¼ÉúÎïÊÔ¾í ÌâÐÍ£ºÑ¡ÔñÌâ

ÔÚÊɾúÌåÇÖȾϸ¾úʵÑéÖУ¬Èç¹ûϸ¾úÌåÄÚµÄDNAºÍµ°°×ÖÊ·Ö±ðº¬ÓÐ31PºÍ32S£¬ÊɾúÌåÖеÄDNAºÍµ°°×ÖÊ·Ö±ðº¬ÓÐ32PºÍ35S£¬ÊɾúÌåDNAÔÚϸ¾úÌåÄÚ¸´ÖÆÁËÈý´Î£¬ÄÇô´Óϸ¾úÌåÄÚÊͷųöµÄ×Ó´úÊɾúÌåÖк¬ÓÐ32PµÄÊɾúÌåºÍº¬ÓÐ35SµÄÊɾúÌå·Ö±ðÕ¼×Ó´úÊɾúÌå×ÜÊýµÄ

A.1/4ºÍ1       B.3/4ºÍ0           C.1/4ºÍ0       D.3/4ºÍ1

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÉúÎï À´Ô´£º2010Äê½­ËÕº£ÃÅÖÐѧ¸ßÒ»ÏÂѧÆÚÆÚÄ©²âÊÔÉúÎï ÌâÐÍ£ºÑ¡ÔñÌâ

ÔÚ¡°ÊɾúÌåÇÖȾϸ¾ú¡±ÊµÑéÖУ¬Èç¹û·ÅÉäÐÔͬλËØÖ÷Òª·Ö²¼ÔÚÀëÐĹܵijÁµíÎïÖУ¬Ôò»ñµÃÇÖȾÊɾúÌåµÄ·½·¨ÊÇ

    A.Óú¬35SµÄÅàÑø»ùÖ±½ÓÅàÑøÊɾúÌå

B.Óú¬32PµÄÅàÑø»ùÖ±½ÓÅàÑøÊɾúÌå

C.Óú¬35SµÄÅàÑø»ùÖ±½ÓÅàÑøϸ¾ú£¬ÔÙÓôËϸ¾úÅàÑøÊɾúÌå

D.Óú¬32PµÄÅàÑø»ùÖ±½ÓÅàÑøϸ¾ú£¬ÔÙÓôËϸ¾úÅàÑøÊɾúÌå

 

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸