【精品】近两年(2017?018)高考全?卷生物试卷以及答?word解析? - 百度文库 ر

2017ȫͳһ߿Ծ¿α򣩴

ĿҪģ

һѡ⣺⹲6С⣬ÿС6֣36ÿСĸѡУֻһ

16֣֪ijϸ4Ⱦɫ壬ԵλֱλͬԴȾɫϡijͬѧʾͼʾϸѹпܲϸбʾǣ

A B C D

ѹ̣

1һηѼڣȾɫĸơ

2һηѣǰڣᣬͬԴȾɫϵķǽȾɫ彻滥ڣͬԴȾɫɶԵڳϣۺڣͬԴȾɫ룬ͬԴȾɫϣĩڣϸʷѡ

3ڶηѹ̣ǰڣĤ𽥽ʧַĴȾɫ壻ڣȾɫ̶̬Ŀۺڣ˿ѣȾɫֿΪȾɫ壬ȵĩڣĤؽĴȾɫʧ

𡿽⣺AAͼɱʾڶηǰڣ÷ѹУлGͻHgͻhķͬԴȾɫϵһAȷ

BBͼɱʾڶηǰڣ÷ѹУлgͻHGͻhķͬԴȾɫϵһBȷ

CCͼɱʾڶηĩڣ÷ѹУлgͻHGͻhķͬԴȾɫϵһCȷ

DһηѺڣͬԴȾɫ룬ͬԴȾɫϣ£γɵвӦúͬԴȾɫ͵λD ѡD

⿼ϸļѣҪʶϸѲͬʱڵص㣬ռ

5ҳ35ҳ

ѹȾɫΪ仯ɣ׼ȷжϸѡ漰ϸͼǷȷڿʶǺεĿ顣

26֣֤DNAŴʵĹУT2ɾȾ󳦸˾ʵ鷢Ҫáɾصȷǣ AT2ɾҲڷ˫иƺֳ BT2ɾ岡ڿԺϳmRNA͵

Cе32PȡɳT2ɾĺ DȱݲT2ɾĺͺֳͬ

1ɾĽṹǣCHONS+DNACHONP 2ɾķֳ̣ע루עɾDNAϳɣߣɾDNAԭϣϸĻѧɷ֣װͷš 3T2ɾȾϸʵ鲽裺ֱ

35

S

32

Pɾɾ󳦸˾

ɾȾδǵϸڽн裬ȻģҺͳеķʡۣDNAŴʡ

𡿽⣺AT2ɾֻȾ󳦸˾Ⱦ˫Բڷ˫иƺֳA

BûϸṹܶT2ɾ岡ڲԺϳmRNA͵ʣҪϸϳmRNA͵ʣB

CɾȾϸʱDNAϸΪģӴɾĺϳɣƼ󳦸˾ṩԭϡøATPеУCȷ

DȱݲT2ɾĺͺֳ̲ͬǰRNADNAD ѡC

⿼ɾȾϸʵ飬ҪʶɾĽṹص㼰䷱ֳ̣ɾȾϸʵĹ̼ۣܽѧ֪ʶ׼ȷжϸѡڿʶǺεĿ顣

36֣йøȷǣ

6ҳ35ҳ

32

PȡɳT2ɾĺ

AϸУûвDNAϳɵø Bɻϸøûд߻ CθøȡҺгøķ DҺø߻Ӧ¶Ⱥͱ¶37

1ʹˮҺܽȵĽͣӰԣˮ󻹿ܽ⡣ 2ϸУDNAҪֲϸУҶҲDNAˣDNAĺϳɳϸˡҶ塣

3ø߻ѧӦҪ˵¶ȡpHøҪ

𡿽⣺ADNAĺϳҪϸУҶҲܺϳɣϸˡҶжвDNAϳɵøA

BֻҪ˵¶ȡpHɻϸøҲд߻ԣB

CʹˮҺеܽȽͣӰ쵰ʵĻԣθøĻѧǵʣ˴θøȡҺгøķCȷ

DҺø߻Ӧ¶37棬37治DZø¶ȣøӦڵ±棬D ѡC

⿼ø֪ʶҪʶøĸѧʣӰøԵأȷøӦñڵ£˽⵰ʵԣܽѧ֪ʶ׼ȷжϸѡ

46֣ijֲijϸһŨȵAҺУԭ壨ֲϸϸڵIJ֣仯ͼʾȷǣ

7ҳ35ҳ

A04hAûͨϸĤϸ B01hϸԭı仯 C23hAҺ͸ѹСϸҺ͸ѹ D01hҺҺ͸ѹϸʻʵ͸ѹ

ͼ01hڣԭС˵ʱϸʧˮʱڷ룻24hڣԭ˵ʱϸˮʱڷԶԭ

𡿽⣺Aͼ֪ϸԭȼС˵ϸȷʱڷʱڷĸԭɴ˿֪AͨϸĤϸA B01hڣԭСԭҪԶϸڣ˸ʱϸԭı仯ȣB

C23hԭ˵ϸˮɴ˿֪ʱAҺ͸ѹСϸҺ͸ѹCȷ

D01hڷʱڷ룬ϸʧˮҺҺ͸ѹСϸʻʵ͸ѹD ѡC

ͼ۲ʱڷ뼰ԭʵ飬ڴ⣬Ҫעϸڽ϶࣬ʵԭʵõķʵȡĹؼȷͼܴлȡЧϢ⡣

56֣йصǣ AƤעȵؿ𵽽Ѫǵ BƤĻߣϥ䲻

CӤ׶ȱ״ټؿӰϵͳķ͹ Dܷ仡񾭵֧䣬ҺҲܴҺص

1ȵǻΨһѪǵļأܴٽȫ֯ϸȡúʹǣӶѪŨȡ 2仡Ľṹ

ܴ̼̼ϢתΪ񾭵˷ܣ 񾭣˷ܴࣻ

8ҳ35ҳ