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cfip bazo nito.[r]
(1)sfi crAo DUC vA EAo rAo riNn ruAr Ncuvf,N
THr cHgN usc cIAr toAN rnfiN nnAv riNn cAu uv
nAu Hoc zstr -2014
Mdn: SINH HqC LW 12 CAp THPT
Thoi gian: 120 phrit (khdng k€ thdt gian giao di) Ngiy thi: l5ll0l20t3
Chri f: - Di tht gdn cd A5 *ang
- Thi sinh ldm bdi tr$c tiiip vdo bdn di thi ndy
ot, cuiNn rHlrc
nAn cufxH
orptvt cu,A, ToAn nAr rnr cAc (H9, crAnn ftn xnAo vd chfi ki)
sO rnAcu
(Do Chri tich fID rhi shi) Bdng soi Bdng chtr
euy ilinh: Thi sinh trinh bdy udn t* cdch gidi, hit qud t{nh todn vdo *Arug tien ni Uat
todn Cic iAt qua tfnh chinh xdc thi chib si phinih,4p phan sau ddu phiiy theo quy t*c ldm trdn
sii c*a tlon vi tinh quy dlnh bdi todn
Ciiu Q,a didm)
I{uOi cdy 5.t05 t6 bdo E.coli trong m6i tru}ng chrla gluc6zo vd mutii
amdniurn Sau 300 phut nudi cAy, 0 giai tto4n pha lu! thira si5 lugng-E.coli dat
35.106 t6 bao Thdi gia" tft(5 he le 40 p[Ut Hay xdc dinh thdi gian pha tiAm ph6t vd
thli gian pha 1u9 thta.
So lwqc ctich eirti Kiit qud
(2)So lwqc cdch girti Kdt qud
Cflu (5,0 diAm)
Tinh hQ s6 h6 h6p ctn circchSt sau: Glucozo (CoHrzOo), GJ{grin (C3H3O3),
Axit tartric (C#{+Oo), Axit dxalic (CzHzO+), Axit stearic: C1/{35COOH;
Cflu $,A di*m)
Vtrng mfl h6a cira gen ([,hdng ki5 cdilon tC1 thrig) g6m 735 cfip bazo nito Tinh r.rroi i"qg phen tu p'rotei" gen md h6a uiet mroi lugng ph0n trl trung binh ctra axit amin-dpng ctrua m6t nudcJd:l|l2vd c6 1i6n k6t clisunphua hinh ty phdt tr:ong qu6 trinh cu$n gfp cria phen trl prdtOin nly'
(3)Ciu 4 (5,0 diilm)
Hai hgp trl cria mot loii sinh v$t nguyon ph6n li€n tiep mQt s0 dgt, m6i truong n6i bio d5 cung c{p nguy6n liQu tucrng duong va 22792 NST dcm Hgrp tfi I
c6 sti dgt nguy6n ph6n bdre I tO AOt nguyOn phen cira hqp ft2' O k) gifra ctra mdi
t6 bao ngu&i ta d6m dugc 44 NST k6P a Tim b0 NST Iu&ng b$i cria loii. b 56 dgt nguY6n Phan oilaT hqp tft
c N€u i.orL qua mnn gi6m phan tpo giao tft vi thp tinh xhy binh thucrng vd kh6ng c6 tnao Eoi cneo NST thi lodi tr6n c6 bao nhi6u lopi giao tu vi bao nhiOu
loai hgpii ktr6c vC nguiSn g6c NST'
So lw{c cdch gidi -KAt qud
C6u (5,0 di€m)
Cho biist gen A - quetrdn, a - qua dai, B - qua d6, b - que xanh, D - qui ngQt, d - qui chua, cic c$p gen ph6n li d$c Ipp
X6t ph€P lai P: AaBbdd x aaBbDd
a Kh6ng
"iei ;" dtil, xac dintr ti 19 xu6t hiQn o ddi
Fr ttmg ki6u gen sau:
AaBbDd; AabbDD; aaBEDd
b Kh6ng rtd;d6 I i,xacdinh ti lQ xu6t hiQn & tldi Fr tlng ttng loai ki6u
hinh sau: A-B-D-; aabbD-; A-bbD-
(4)(5)Cfiu (5,0 diAm)
0 hia, gen A quy dinh th6n cao, ger_ aquy dlnh than th6p; gen B quy dinh hat
gpo dpc, b qry ttinh hat g4o
Cho c6c c6y co ki6u gen # ,n thp ph6n, Fr thu duo c 18000 c6y vdi lo4i
ki€u gen kh6c nhau, d6 4320 c6y than cao, h?t g9o trong- Pq:*g ,"!"
FY\
iic, r6i kh6ng hoan toun, mqi di6n bi6n cua NST qu6 trinh giem ph6n t6
bio si::h nofirvir t6 bao sinh hpt ph6n giSng hQt nhau'
H6y xitc dinh ffin *i5 hoan vf gen
So lugc cdch
s6t