【文档说明】2023年高考真题——生物（天津卷） 含解析.docx，共(16)页，373.911 KB，由envi的店铺上传

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20231.A.B.C.D.ATPDATPATPATPDABCD2.CD4TCD4+CD8TCD8+A.CD4+B.CD4+C.CD8+D.CD8+CTBBTTTTTCD4TCD4+CD8TCD8+CD4+CD

8+CABDC3.A.B.C.D.DABABCCD1∶1DD4.A.B.C.D.AAABBCCDDA5.A.DNAB.C.D.B12ADNADNAAB14CBCDNACDDB6.A.B.C.D.BADNAABRNAmRNABCDCDB7.A.B.1MIIC.2D.23312DAABMII

1BC2CD23312DD8.A.ⅡB.C.D.BⅡⅠⅡAⅡABⅠⅡ2BCⅡCDDB9.A.HCO3-B.HCO3-C.H+HCO3-D.XCO2B①②ATPADPPiATPATPAHCO3-ATPABHCO3-ATPBCH+HCO3-CDXO2ATPHCO3-CO2CO2DB

10.A.B.C.D.11.A.B.C.D.12.A.B.C.D.10.A11.C12.A“”“”10ABCDA11AATPDNARNADNARNAABBCCDDC12AABBCCDpHDA13.1_____2_____3__________4_

____123①.②.4123→→→→→→→414.123456+-+++++--+--C+---+-D+----++-1_____A_____2i_____ii_____iii_____1①.13456②.B

2①.②.③.1A13456A3AB2iiiiii15.11_____22NiN_____ii3PIN2__________3NPIN2_____3N_____12①.②.③.④.3:::;:12i2Nii3NPIN21NPIN23PINNN16.AA3-A25-A3251AA25

-_____PCRA25-05kbPCRPCR_______________2AA3-A25-6A3-A25-AA25-A25-_____3A3-A3-A3-AA3-A3-10%A50%_____%469%A3-50%_____%531%_____

1①.②.A25-A25-A25-AAAAPCR③.AA④.1/321/53①.48.8%②.51.2%③.DNA1A25-A25AA25-AA25-AAAA25-A25-A25-=1:2:1PCRA25-0.5kb25A25-A2

5-A25-A25-25AAAAA25-AAAAA25-A25-A25-AAAA25-PCRAA1/32A3-A25-4A6A3-AA25-AA3-A25-1/4A25-A25-=1/4×1/4=1/

161-1/16=15/16A25-A25-2AAA25-A25-=1/4×1/4=1/16AA25-A25-=1/4×1/4×2=2/163/16A25-A25-3/16÷15/16=1/53A3-

AAA=1/4A3-A=1/2A3-A3-=1/4A3-A3-10%A3-A3-=1/4+1/4×10%=11/40AAA3-AA3-A3-=1/41/211/40=10:20:11AA=10÷10+20+11=10/4

1A3-A=20÷10+20+11=20/41A3-A3-=11÷10+20+11=11/41A=10/41+1/2×20/41=48.8%A3-=11/41+1/2×20/41=51.2%17.1_____2DNAABDNAA-B_____PCR3UGA5-i_____UGA

UGADNACC’UGACC’DNA_____iiUGA_____4_____12P1P63①.②.③.5-43DNADNADNA12“”P1P6PCR3iUGACC'ii5-5-4www.xiangxue100.com