2020上海高中学业水平合格性考试生物模拟试题

20201ANa+BFe2+C.Mg2+D.Ca2+2AB.CD.31AB.C.D.4C02AB.C.D52ABC.D6A.BC.D.73ABCD84A.B.C.D.95AB.30%C.30%D.30%30%10.A.B.C.D11A.B.C.D.12.6A.RNAB.C.D137A.B02CD14A.B.C.O2D.C0215.A.BCD.16.ABCD17.848A.BC.D.18.A.B.C.D.19.9HA.BCD.20.pHA.B.C.D.21.10XA.B.C.D.T2211A.BCD.23.DNA10DNAABCD24.A.DNAARNATB.DNATRNAAC.DNACRNAGD.DNAGRNAC25.mRNAmRNAA.B.C.D.26.12AB.CD.27.201A20B30C.46D6028.13ABCD.29.A.BC.D.30.14AaBbCCDC31.A.BCD.32.A.B.C.D.33.A(a)34.(YYrr)(yyRR)F2A31B41C91D16135.A.22+XYB.22+XXC.44+XYD.44+XX36.15ABCD.837.16AHOA.B.C.D.38.(A(a)(aa)A.aB.AC.aD.a39.A.B.C.D40.A.B.C.D.201741.17A________B____42.17____A.B.CDZn281629(18)1943.18____AB.C.D44.18Zn____45.19Zn.DNA46.____47.______48.____49.____A.BC.D.201526BDNADNA50.(Xb)______51.(aa)____2121DNADNA21DNA21522021