Bͨ۲ϸȾɫɼ巬
CγɵԭǼһηѹһͬԴȾɫδֿ
DΪDDdĸΪddĸӽҶ͡ҶΪ31
16.мסҡDNAͼʾ˵ȷ( )
A. ͼDNAں15NҺи2Ӵ15NDNAռ7/8ͼУA+T/
G+CDNAӵ
B. ͼڴļȱʧɵ»ͻ䣬Ժøڢٲλø
ڢ۲λͼ8ֺ
C. γɱͼ۵Ĺ̿ɷУ˵ϸܽͼʾ̵Ľṹֻϸ
D. ͼʾΪת¼ͷ룬ϸпͬʱ
17.֪סҡ͵IJŴϢĴݷʽͼʾ˵ǣ
A.ͼ֪DNAͨת¼ʽŴϢRNA
B.ͼ18ʾŴϢת¼̣˹ΪԭϣҪRNAۺø
C.ͼ310ʾDNAĸƹ̣˹ҪøDNAۺø D.ͼ259ʾŴϢķ̣˹ҪmRNAtRNArRNA 18ͼʾΪ˼к8뱾ӹϵļе
ǣ
AȽ83DNA BȽ82DNA CȽ85YȾɫDNA DȽ82XȾɫDNA
19ͷУ2n48ҹһˮࡣоԱ
´ҰͷһĴμĸϸʹ䲻ѳ壨ȾɫѷֿЩμĸϸշͷСͷжΪӣΪӺӡͷУ
A.ձԭʹϸȾɫ˿ B.ϸȾɫΪ24
C.ĴӵĻͶͬ D.ӺӲԭҪȾɫ彻滥
20.ͼϸҪŴϢı̣ͼвȷǣ
A. ֱ̾Ҫṩϸṩԭ B. ûкĤΧɵϸˣת¼ͬʱͬһռ C. ϸĻת¼γɵmRNAҪͨ˿ײܽϸ
D. ϳijʱȥ100ˮӣٺ102ԭ 21.й졢ֺͽȷǣ
A. ͻԷ巢κʱڣ˻ͻձ B. ָƲͬ״ĻϣˣϹзͬԴȾ
ɫϵĻڻ
C. ֻõֲ D. ĹзƵʵĸı־ֵIJ
22. ڿϿȵAbertһֳ2Ⱥϱĵ
Լһݱ䣬̬ɫ淢ԵIJ졣˵ϡȻѡѧ˵ΪĵִۡĹ۵( )
AʳϢIJͬȺͻķͬ Bͻͻ飬Ϊ̬ɫĽṩԭ CȺ̬ɫIJ죬ȺƵʶıĽ DʹϱĻ裬»Ӵ
23. ͼʾϸڻʽʾͼȷǣ
Aڻɢ٢ܢɵģ֮ BϸڻǢ٣ϸڻǢ Cѹ½̼ԣʹط Dij˲СƤ˺ˮݣڵҺɷǢ 24.й֯Һǣ
A. Ѫеǿͨ֯Һϸ B. ϸлCO2Խ֯Һ C. ֯ҺеO2ͨɢ֯ϸ D. ˶ʱͪתĹ̷֯Һ 25.ڻɳɷֵǣ
Ѫ֯Һܰ Ѫ쵰סO2 ǡCO2ͼ״ټ ܼءͻСݺͰ ӡѪ
ڵ塢ڵҺڵҺ A. ٢ۢ
B. ٢ۢ
C. ۢܢ
D. ڢܢ
ڢѡ⣬5С⣬50֣
26. شķع̵⣺8֣
(1) ĿǰչȽƵķȫݰ ___________________ ĸƣԼŴ
Ϣڲ֮ͬ ___________________________
(2) ij DNA У G C ֮ռȫ 38% һ T C ֱռ
32% 17% ĻУ T C ֱռ _____________________
(3) ³´лҪøIJ룬øĺϳɶҪķе
_________________ ( д ) ̣ùԭ ________________________
(4) ij (2N 20) һԭϸȾɫϵ DNA ӱH ǣȻ
ڲ H ҺΣõӴϸ ( ָijϸ ) ͬλ H ǵȾɫĿΪ _________________
27. ijоС鿪չֲijˮȾоɸѡõڸŨҺ
õijˮֲ3Ʒ֣ڲͬŨȵӪҺһʱⶨָ꣬ʾش𣺣11֣
ӪҺŨȣmg/L Ʒ ⶨָ 0 Ũȣmg/kgֲأ A λkg/Ķ Ũȣmg/kgֲأ B λkg/Ķ Ũȣmg/kgֲأ C λkg/Ķ
1 ֲĿƷȻֱɸѡõɲ_______________飮
2ݱ_________________ƷʺȾҪ______________
_____________________________________________________
50.31 49.99 50.76 49.02 48.32 349.21 348.65 11.14 313.32 347.77 347.92 316.16 317.47 346.00 332.20 350.11 349.61 9.11 310.20 347.96 348.02 315.12 318.43 346.92 310.22 10.11 4 10.20 8 15.12 12 19.33 16 20.33 3
3
3