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文本框: 光合作用强度曲线(1分)

 

 

 

 

 

 

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27.(10分)

 

 

 (一)(3)叶片细胞间隙气体逸出,内部充满了水

(4)分别倒入20mL富含C02的NaHCO3稀溶液和lO片小圆形叶片。

(5)分别用红黄绿40W灯泡,相同距离分别作用于三只小烧杯。

(二)结果预测:单位时间内红光作用的小烧杯内的小圆形叶片浮起的数量最多,绿光作用的小烧杯内的小圆形叶片浮起的数量最少。

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26.(9分)(1)9   (2)淀粉和纤维素   10   (3)3、4、8    核糖体

(4)含有细胞壁和细胞器膜,前者使细胞难以破裂,后者所含成分对研究细胞膜的成分有干扰作用

(5)B:细胞膜中脂质分子排列为连续的两层

     C:细胞膜具有流动性         D:流动镶嵌

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33.(9分)

(1)                                                                  

                                                                 

(2)                                                                   

(3)                                                    

(4)②                                                        

                                                        

结论:                                                                    

 

 

 

2009届高三年级第三次模拟试卷

生物试题答案

1-5 CCACD    6-10  ABBBC  11-15 BDBCD  16-20 ACDAB

21 ABD   22 BD  23 AB  24 ABCD  25 AD

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32.(9分)

(1)                                                       

                                                                            

 

(2)                                                                    

(3)         

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31.(8分)

(1)                                                           

(2)①                                                              

             

                                                                    

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30.(9分)

(1)                                                          

(2)           

(3)                      

                                                                            

(4)                                                                      

(5)                                                                      

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29.(6分)

(1)             

(2)                                                   

(3)                                                                        

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28.(6分)

(1)                                      (2)                  

(3)                                                          

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文本框: 光合作用强度
 

 

 

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