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27.(10分)

 

 

 (一)(3)葉片細(xì)胞間隙氣體逸出,內(nèi)部充滿了水

(4)分別倒入20mL富含C02的NaHCO3稀溶液和lO片小圓形葉片。

(5)分別用紅黃綠40W燈泡,相同距離分別作用于三只小燒杯。

(二)結(jié)果預(yù)測:單位時間內(nèi)紅光作用的小燒杯內(nèi)的小圓形葉片浮起的數(shù)量最多,綠光作用的小燒杯內(nèi)的小圓形葉片浮起的數(shù)量最少。

試題詳情

26.(9分)(1)9   (2)淀粉和纖維素   10   (3)3、4、8    核糖體

(4)含有細(xì)胞壁和細(xì)胞器膜,前者使細(xì)胞難以破裂,后者所含成分對研究細(xì)胞膜的成分有干擾作用

(5)B:細(xì)胞膜中脂質(zhì)分子排列為連續(xù)的兩層

     C:細(xì)胞膜具有流動性         D:流動鑲嵌

試題詳情

33.(9分)

(1)                                                                  

                                                                 

(2)                                                                   

(3)                                                    

(4)②                                                        

                                                        

結(jié)論:                                                                    

 

 

 

2009屆高三年級第三次模擬試卷

生物試題答案

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

21 ABD   22 BD  23 AB  24 ABCD  25 AD

試題詳情

32.(9分)

(1)                                                       

                                                                            

 

(2)                                                                    

(3)         

試題詳情

31.(8分)

(1)                                                           

(2)①                                                              

             

                                                                    

試題詳情

30.(9分)

(1)                                                          

(2)           

(3)                      

                                                                            

(4)                                                                      

(5)                                                                      

試題詳情

29.(6分)

(1)             

(2)                                                   

(3)                                                                        

試題詳情

28.(6分)

(1)                                      (2)                  

(3)                                                          

試題詳情

文本框: 光合作用強度
 

 

 

試題詳情

27.(10分)

Ⅰ(1)                                           

  (2)                            

(3)                                (4)                               

Ⅱ(一)實驗步驟

(3)                                                                

(4)                                                                

(5)                                                                

(二)結(jié)果預(yù)測:                                                        

試題詳情


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