Taasggatss a 20 b 22 c 24 d 25 Ishlanishi
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Ishlanishi: 1) N=L/0,34 N=81,6/0,34=240 240*2=480 2) BamHI har bir kesgan joyda GATC orasidagi H bog’larni uzadi. 3+2+2+3=10 G-S=2*3=6 ta A-T=2*2=4 ta 3 joydan kesilgan va ABCD bo’laklarga bo’lingan: 10*3=30 3) 30---5% x---100% x=(30*100)/5=600 4) 2A+3G=600 2A+2G=480 G=120 2A+3*120=600 2A=240 A=120 5) H=2A H=2*120=240 Javob: A
____________________________ 109. Ma`lum sharoitda 81,6 nm uzunlikdagi DNK malekulasi BamHI restiriktaza fermenti ta`sirida ABCD bo`laklarga bo`lindi Hosil bo`lgan barcha DNK malekulasidagi vodorod bog`lar soni dastlabki vodorod bog`lar sonidan 5% ga kam bo`lsa hosil bo`lgan barcha DNK malekulasidagi A-T orasidagi vodorod bog`lar sonini toping.
A)240 B)228 C)360 D)342 Ishlanishi: 1) N=L/0,34 N=81,6/0,34=240 240*2=480 2) BamHI har bir kesgan joyda GATC orasidagi H bog’larni uzadi. 3+2+2+3=10 G-S=2*3=6 ta A-T=2*2=4 ta 3 joydan kesilgan va ABCD bo’laklarga bo’lingan: 10*3=30 3) 30---5% x---100% x=(30*100)/5=600 4) 2A+3G=600 2A+2G=480 G=120 2A+3*120=600 2A=240 A=120 5) H=2A H=2*120=240 240-12=228 Javob: B
____________________________ 110. Ma`lum sharoitda 81,6 nm uzunlikdagi DNK malekulasi BamHI restiriktaza fermenti ta`sirida ABCD bo`laklarga bo`lindi Hosil bo`lgan barcha DNK malekulasidagi vodorod bog`lar soni dastlabki vodorod bog`lar sonidan 5% ga kam bo`lsa hosil bo`lgan barcha DNK malekulasidagi G-S orasidagi vodorod bog`lar sonini toping.
A)240 B)228 C)360 D)342 Ishlanishi: 1) N=L/0,34 N=81,6/0,34=240 240*2=480 2) BamHI har bir kesgan joyda GATC orasidagi H bog’larni uzadi. 3+2+2+3=10 G-S=2*3=6 ta A-T=2*2=4 ta 3 joydan kesilgan va ABCD bo’laklarga bo’lingan: 10*3=30 3) 30---5% x---100% x=(30*100)/5=600 4) 2A+3G=600 2A+2G=480 G=120 2A+3*120=600 2A=240 A=120 5) H=3G H=3*120=360 360-18=342 Javob: D
____________________________ 111. Ma`lum sharoitda 110,5 nm uzunlikdagi DNK malekulasi BamHI restiriktaza fermenti ta`sirida ABCD bo`laklarga bo`lindi Hosil bo`lgan barcha DNK malekulasidagi vodorod bog`lar soni dastlabki vodorod bog`lar sonidan 4% ga kam bo`lsa dastlabki DNK malekulasidagi A-T orasidagi vodorod bog`lar sonini toping. A)300 B)450 C)282 D)438 Ishlanishi: 1) N=L/0,34 N=110,5/0,34=325 325*2=650 2) BamHI har bir kesgan joyda GATC orasidagi H bog’larni uzadi. 3+2+2+3=10 G-S=2*3=6 ta A-T=2*2=4 ta 3 joydan kesilgan va ABCD bo’laklarga bo’lingan: 10*3=30 3) 30---4% x---100% x=(30*100)/5=750 4) 2A+3G=750 2A+2G=650 G=100 2A+3*100=750 2A=450 A=225 5) H=2A H=2*225=450 Javob: A
____________________________ 112. Ma`lum sharoitda 110,5 nm uzunlikdagi DNK malekulasi BamHI restiriktaza fermenti ta`sirida ABCD bo`laklarga bo`lindi Hosil bo`lgan barcha DNK malekulasidagi vodorod bog`lar soni dastlabki vodorod bog`lar sonidan 4% ga kam bo`lsa dastlabki DNK malekulasidagi G-S orasidagi vodorod bog`lar sonini toping.
1) N=L/0,34 N=110,5/0,34=325 325*2=650 2) BamHI har bir kesgan joyda GATC orasidagi H bog’larni uzadi. 3+2+2+3=10 G-S=2*3=6 ta A-T=2*2=4 ta 3 joydan kesilgan va ABCD bo’laklarga bo’lingan: 10*3=30 3) 30---4% x---100% x=(30*100)/5=750 4) 2A+3G=750 2A+2G=650 G=100 2A+3*100=750 2A=450 A=225 5) H=3G H=3*100=300 Javob: A ____________________________ 113. Ma`lum sharoitda 110,5 nm uzunlikdagi DNK malekulasi BamHI restiriktaza fermenti ta`sirida ABCD bo`laklarga bo`lindi Hosil bo`lgan barcha DNK malekulasidagi vodorod bog`lar soni dastlabki vodorod bog`lar sonidan 4% ga kam bo`lsa hosil bo`lgan barcha DNK malekulasidagi G-S orasidagi vodorod bog`lar sonini toping. A)300 B)350 C)282 D)438 Ishlanishi: 1) N=L/0,34 N=110,5/0,34=325 325*2=650 2) BamHI har bir kesgan joyda GATC orasidagi H bog’larni uzadi. 3+2+2+3=10 G-S=2*3=6 ta A-T=2*2=4 ta 3 joydan kesilgan va ABCD bo’laklarga bo’lingan: 10*3=30 3) 30---4% x---100% x=(30*100)/5=750 4) 2A+3G=750 2A+2G=650 G=100 2A+3*100=750 2A=450 A=225 5) H=3G H=3*100=300 300-18=282 Javob: C ____________________________ 114. Ma`lum sharoitda 110,5 nm uzunlikdagi DNK malekulasi BamHI restiriktaza fermenti ta`sirida ABCD bo`laklarga bo`lindi Hosil bo`lgan barcha DNK malekulasidagi vodorod bog`lar soni dastlabki vodorod bog`lar sonidan 4% ga kam bo`lsa hosil bo`lgan barcha DNK malekulasidagi A-T orasidagi vodorod bog`lar sonini toping. A)300 B)350 C)282 D)438 Ishlanishi: 1) N=L/0,34 N=110,5/0,34=325 325*2=650 2) BamHI har bir kesgan joyda GATC orasidagi H bog’larni uzadi. 3+2+2+3=10 G-S=2*3=6 ta A-T=2*2=4 ta 3 joydan kesilgan va ABCD bo’laklarga bo’lingan: 10*3=30 3) 30---4% x---100% x=(30*100)/5=750 4) 2A+3G=750 2A+2G=650 G=100 2A+3*100=750 2A=450 A=225 5) H=2A H=2*225=450 450-12=438 Javob: D
____________________________ 115. Ma`lum sharoitda 45,9 nm uzunlikdagi DNK malekulasi Eco.RI restiriktaza fermenti ta`sirida ABC bo`lakka bo`lindi.Hosil bo`lgan barcha DNK malekulasidagi vodorod bog`lar soni dastlabki vodorod bog`lar sonidan 5% ga kam bo`lsa dastlabki DNK malekulasidagi A-T orasidagi vodorod bog`lar sonini toping.
1) N=L/0,34 N=45,9/0,34=135 135*2=270 2) Eco.RI har bir kesgan joyda AATT orasidagi H bog’larni uzadi. 2+2+2+2=10 A-T=2*4=8 ta 2 joydan kesilgan va ABC bo’laklarga bo’lingan: 8*2=16 3) 16---5% x---100% x=(16*100)/2=320 4) 2A+3G=320 2A+2G=270 G=50 2A+3*50=320 2A=170 A=65 5) H=2A H=2*65=170 Javob: A
____________________________ 116. Ma`lum sharoitda 45,9 nm uzunlikdagi DNK malekulasi Eco.RI restiriktaza fermenti ta`sirida ABC bo`lakka bo`lindi.Hosil bo`lgan barcha DNK malekulasidagi vodorod bog`lar soni dastlabki vodorod bog`lar sonidan 5% ga kam bo`lsa dastlabki DNK malekulasidagi G-S orasidagi vodorod bog`lar sonini toping. A)170 B)150 C)250 D)154 Ishlanishi: 1) N=L/0,34 N=45,9/0,34=135 135*2=270 2) Eco.RI har bir kesgan joyda AATT orasidagi H bog’larni uzadi. 2+2+2+2=10 A-T=2*4=8 ta 2 joydan kesilgan va ABC bo’laklarga bo’lingan: 8*2=16 3) 16---5% x---100% x=(16*100)/2=320 4) 2A+3G=320 2A+2G=270 G=50 2A+3*50=320 2A=170 A=65 5) H=3G H=3*50=150 Javob: B
____________________________ 117. Ma`lum sharoitda 45,9 nm uzunlikdagi DNK malekulasi Eco.RI restiriktaza fermenti ta`sirida ABC bo`lakka bo`lindi.Hosil bo`lgan barcha DNK malekulasidagi vodorod bog`lar soni dastlabki vodorod bog`lar sonidan 5% ga kam bo`lsa hosil bo`lgan DNK malekulasidagi A-T orasidagi vodorod bog`lar sonini toping. A)170 B)150 C)250 D)154 Ishlanishi: 1) N=L/0,34 N=45,9/0,34=135 135*2=270 2) Eco.RI har bir kesgan joyda AATT orasidagi H bog’larni uzadi. 2+2+2+2=10 A-T=2*4=8 ta 2 joydan kesilgan va ABC bo’laklarga bo’lingan: 8*2=16 3) 16---5% x---100% x=(16*100)/2=320 4) 2A+3G=320 2A+2G=270 G=50 2A+3*50=320 2A=170 A=65 5) H=2A H=2*65=170 170-16=154 Javob: D
____________________________ 118. Ma`lum sharoitda 45,9 nm uzunlikdagi DNK malekulasi Eco.RI restiriktaza fermenti ta`sirida ABC bo`lakka bo`lindi.Hosil bo`lgan barcha DNK malekulasidagi vodorod bog`lar soni dastlabki vodorod bog`lar sonidan 5% ga kam bo`lsa hosil bo`lgan DNK malekulasidagi G-S orasidagi vodorod bog`lar sonini toping. A)170 B)150 C)250 D)154 Ishlanishi: 1) N=L/0,34 N=45,9/0,34=135 135*2=270 2) Eco.RI har bir kesgan joyda AATT orasidagi H bog’larni uzadi. 2+2+2+2=10 A-T=2*4=8 ta 2 joydan kesilgan va ABC bo’laklarga bo’lingan: 8*2=16 3) 16---5% x---100% x=(16*100)/2=320 4) 2A+3G=320 2A+2G=270 G=50 2A+3*50=320 2A=170 A=65 5) H=3G H=3*50=150 Javob: B
____________________________ 119. 6600 malekular og`irlikdagi oqsil sintezlashda ishtirok etgan DNK malekulasi uzunligi aniqlang. Oqsildagi bitta aminokislotaning o`rtacha og`irligi 120, qo`shni nukleotidlar orasidagi masofa 0,34 nm A)56,1 B)112,2 C)37,4 D)74,8 Ishlanishi: 1) M=AK*120 AK=M/120 AK=6600/120=55 2) N=AK*3 N=55*3=165 3) L=N*0,34 L=165*0,34= 56,1 Javob: A
____________________________ 120. 6000 malekular og`irlikdagi oqsil sintezlashda ishtirok etgan DNK malekulasi uzunligi aniqlang. Oqsildagi bitta aminokislotaning o`rtacha og`irligi 120, qo`shni nukleotidlar orasidagi masofa 0,34 nm
1) M=AK*120 AK=M/120 AK=6000/120=50 2) N=AK*3 N=50*3=150 3) L=N*0,34 L=150*0,34= 51 Javob: A
____________________________ 121. 7200 malekular og`irlikdagi oqsil sintezlashda ishtirok etgan DNK malekulasi uzunligi aniqlang. Oqsildagi bitta aminokislotaning o`rtacha og`irligi 120, qo`shni nukleotidlar orasidagi masofa 0,34 nm A)61,2 B)40,8 C)37,4 D)74,8 Ishlanishi: 1) M=AK*120 AK=M/120 AK=7200/120=60 2) N=AK*3 N=60*3=180 3) L=N*0,34 L=180*0,34= 61,2 Javob: A
____________________________ 122. 4800 malekular og`irlikdagi oqsil sintezlashda ishtirok etgan DNK malekulasi uzunligi aniqlang. Oqsildagi bitta aminokislotaning o`rtacha og`irligi 120, qo`shni nukleotidlar orasidagi masofa 0,34 nm A)61,2 B)40,8 C)37,4 D)74,8
1) M=AK*120 AK=M/120 AK=4800/120=40 2) N=AK*3 N=40*3=120 3) L=N*0,34 L=120*0,34= 40,8 Javob: B
____________________________ 123. 5040 malekular og`irlikdagi oqsil sintezlashda ishtirok etgan DNK malekulasi uzunligi aniqlang. Oqsildagi bitta aminokislotaning o`rtacha og`irligi 120, qo`shni nukleotidlar orasidagi masofa 0,34 nm A)61,2 B)42,84 C)37,4 D)74,8
Ishlanishi: 1) M=AK*120 AK=M/120 AK=5040/120=42 2) N=AK*3 N=42*3=126 3) L=N*0,34 L=126*0,34= 42,84 Javob: B
____________________________ 124. 5400 malekular og`irlikdagi oqsil sintezlashda ishtirok etgan DNK malekulasi uzunligi aniqlang. Oqsildagi bitta aminokislotaning o`rtacha og`irligi 120, qo`shni nukleotidlar orasidagi masofa 0,34 nm A)61,2 B)45,9 C)37,4 D)74,8
1) M=AK*120 AK=M/120 AK=5400/120=45 2) N=AK*3 N=45*3=135 3) L=N*0,34 L=135*0,34= 45,9 Javob: B
____________________________ 125. 7800 malekular og`irlikdagi oqsil sintezlashda ishtirok etgan DNK malekulasi uzunligi aniqlang. Oqsildagi bitta aminokislotaning o`rtacha og`irligi 120, qo`shni nukleotidlar orasidagi masofa 0,34 nm A)61,2 B)66,3 C)37,4 D)74,8
1) M=AK*120 AK=M/120 AK=7800/120=65 2) N=AK*3 N=65*3=195 3) L=N*0,34 L=195*0,34= 66,3 Javob: A
____________________________ 126. 3600 malekular og`irlikdagi oqsil sintezlashda ishtirok etgan DNK malekulasi uzunligi aniqlang. Oqsildagi bitta aminokislotaning o`rtacha og`irligi 120, qo`shni nukleotidlar orasidagi masofa 0,34 nm A)61,2 B)30,6 C)37,4 D)74,8
1) M=AK*120 AK=M/120 AK=3600/120=30 2) N=AK*3 N=30*3=90 3) L=N*0,34 L=90*0,34= 30,6 Javob: B
____________________________ 127.36000 molekular og`irlikdagi oqsil sintezlashda i-RNKning 25% ishtrok etmagan bo`lsa, oqsil sintezida ishtrok etgan DNK dagi nukleotidlar yig`indisini toping. (oqsildagi bitta aminokislota og`irligi 120) A)2400 B)1200 C)3600 D)7200 Ishlanishi: 1) M=AK*120 AK=M/120 AK=36000/120=300 2) N=AK*3 N=300*3=900 3) 900---75% 100%-25%=75% x---100% x=(900*100)/75=1200 i-RNK dagi N lar 4) 1200*2=2400N Javob: A
____________________________ 128. 48000 molekular og`irlikdagi oqsil sintezlashda i-RNKning 25% ishtrok etmagan bo`lsa, oqsil sintezida ishtrok etgan DNK dagi nukleotidlar yig`indisini toping. (oqsildagi bitta aminokislota og`irligi 120) A)3200 B)1200 C)3600 D)7200 Ishlanishi: 1) M=AK*120 AK=M/120 AK=48000/120=400 2) N=AK*3 N=400*3=1200 3) 1200---75% 100%-25%=75% x---100% x=(1200*100)/75=1600 i-RNK dagi N lar 4) 1600*2=3200N Javob: A
____________________________ 129. 42000 molekular og`irlikdagi oqsil sintezlashda i-RNKning 25% ishtrok etmagan bo`lsa, oqsil sintezida ishtrok etgan DNK dagi nukleotidlar yig`indisini toping. (oqsildagi bitta aminokislota og`irligi 120) A)2800 B)1200 C)3600 D)7200 Ishlanishi: 1) M=AK*120 AK=M/120 AK=42000/120=350 2) N=AK*3 N=350*3=1050 3) 1050---75% 100%-25%=75% x---100% x=(1050*100)/75=1400 i-RNK dagi N lar 4) 1400*2=2800N Javob: A
____________________________ 130. 38400 molekular og`irlikdagi oqsil sintezlashda i-RNKning 20% ishtrok etmagan bo`lsa, oqsil sintezida ishtrok etgan DNK dagi nukleotidlar yig`indisini toping. (oqsildagi bitta aminokislota og`irligi 120) A)2400 B)3200 C)3600 D)4200 Ishlanishi: 1) M=AK*120 AK=M/120 AK=38400/120=320 2) N=AK*3 N=320*3=960 3) 960---80% 100%-20%=80% x---100% x=(960*100)/80=1200 i-RNK dagi N lar 4) 1200*2=2400N Javob: A
____________________________ 131. 48000 molekular og`irlikdagi oqsil sintezlashda i-RNKning 20% ishtrok etmagan bo`lsa, oqsil sintezida ishtrok etgan DNK dagi nukleotidlar yig`indisini toping. (oqsildagi bitta aminokislota og`irligi 120) A)3000 B)3200 C)3600 D)4200 Ishlanishi: 1) M=AK*120 AK=M/120 AK=48000/120=400 2) N=AK*3 N=400*3=1200 3) 1200---80% 100%-20%=80% x---100% x=(1200*100)/80=1500 i-RNK dagi N lar 4) 1500*2=3000N Javob: A
____________________________ 132. 57600 molekular og`irlikdagi oqsil sintezlashda i-RNKning 20% ishtrok etmagan bo`lsa, oqsil sintezida ishtrok etgan DNK dagi nukleotidlar yig`indisini toping. (oqsildagi bitta aminokislota og`irligi 120) A)2400 B)3200 C)3600 D)4200
1) M=AK*120 AK=M/120 AK=57600/120=480 2) N=AK*3 N=480*3=1440 3) 1440---80% 100%-20%=80% x---100% x=(1440*100)/80=1800 i-RNK dagi N lar 4) 1800*2=3600N Javob: C
____________________________ 133. DNK molekulasidagi nukleotidlar soni 154 ta bo`lib, undagi vodorod bog`lar soni G lar sonidan 4,5 marta ko`p bo`lsa vodorod bog`lar sonini aniqlang.
1) 2A+3G=4,5G 2A=1,5G 2A+2G=154 1,5G+2G=154 3,5G=154 G=44 2) H=4,5G H=4,5*44 H=198 Javob: A
____________________________ 134. DNK molekulasidagi nukleotidlar soni 154 ta bo`lib, undagi vodorod bog`lar soni S lar sonidan 4,5 marta ko`p bo`lsa vodorod bog`lar sonini aniqlang.
1) 2A+3S=4,5S 2A=1,5S 2A+2S=154 1,5S+2S=154 3,5S=154 S=44 2) H=4,5S H=4,5*44 H=198 Javob: A
____________________________ 135. DNK molekulasidagi nukleotidlar soni 192 ta bo`lib, undagi vodorod bog`lar soni G lar sonidan 5 marta ko`p bo`lsa vodorod bog`lar sonini aniqlang. A)198 B)200 C)240 D)300 Ishlanishi: 1) 2A+3G=5G 2A=2G A=G 2A+2G=192 2G+2G=192 4G=192 G=48 2) H=5G H=5*48 H=240 Javob: C
____________________________ 136. DNK molekulasidagi nukleotidlar soni 192 ta bo`lib, undagi vodorod bog`lar soni S lar sonidan 5 marta ko`p bo`lsa vodorod bog`lar sonini aniqlang. A)198 B)200 C)240 D)300 Ishlanishi: 1) 2A+3S=5S 2A=2S A=S 2A+2S=192 2S+2S=192 4S=192 S=48 2) H=5S H=5*48 H=240 Javob: C
____________________________ 137. DNK molekulasidagi nukleotidlar soni 192 ta bo`lib, undagi vodorod bog`lar soni A lar sonidan 5 marta ko`p bo`lsa vodorod bog`lar sonini aniqlang. A)198 B)200 C)240 D)300 Ishlanishi: 1) 2A+3G=5A 3G=3A G=A 2A+2G=192 2A+2A=192 4A=192 A=48 2) H=5A H=5*48 H=240 Javob: A
____________________________ 138. DNK molekulasidagi nukleotidlar soni 192 ta bo`lib, undagi vodorod bog`lar soni T lar sonidan 5 marta ko`p bo`lsa vodorod bog`lar sonini aniqlang. A)198 B)200 C)240 D)300 Ishlanishi: 1) 2T+3G=5A 3G=3T G=T 2T+2G=192 2T+2T=192 4T=192 T=48 2) H=5T H=5*48 H=240 Javob: C
____________________________ 139. DNK molekulasidagi nukleotidlar soni 240 ta bo`lib, undagi vodorod bog`lar soni G lar sonidan 5 marta ko`p bo`lsa vodorod bog`lar sonini aniqlang. A)198 B)200 C)240 D)300 Ishlanishi: 1) 2A+3G=5G 2A=2G A=G 2A+2G=240 2G+2G=240 4G=240 A=60 2) H=5G H=5*60 H=300 Javob: D
____________________________ 140. DNK molekulasidagi nukleotidlar soni 240 ta bo`lib, undagi vodorod bog`lar soni S lar sonidan 5 marta ko`p bo`lsa vodorod bog`lar sonini aniqlang. A)198 B)200 C)240 D)300 Ishlanishi: 1) 2A+3S=5S 2A=2S A=S 2A+2S=240 2S+2S=240 4S=240 S=60 2) H=5S H=5*60 H=300 Javob: D
____________________________ 141. DNK molekulasidagi nukleotidlar soni 240 ta bo`lib, undagi vodorod bog`lar soni A lar sonidan 5 marta ko`p bo`lsa vodorod bog`lar sonini aniqlang. A)198 B)200 C)240 D)300 Ishlanishi: 1) 2A+3G=5A 3A=3G A=G 2A+2G=240 2A+2A=240 4A=240 A=60 2) H=5A H=5*60 H=300 Javob: D
____________________________ 142. DNK molekulasidagi nukleotidlar soni 240 ta bo`lib, undagi vodorod bog`lar soni T lar sonidan 5 marta ko`p bo`lsa vodorod bog`lar sonini aniqlang. A)198 B)200 C)240 D)300 Ishlanishi: 1) 2T+3G=5G 2T=2G T=G 2T+2G=240 2T+2T=240 4T=240 T=60 2) H=5T H=5*60 H=300 Javob: D
____________________________ 143. Bir DNK da 750 ta, 2-DNK da 1100ta nukleotid bo`lsa, 1- DNK dagi purin asosi G lar sonidan 2,5 marta ko`p, 2-DNKdagi adeninlar soni pirimidin sonidan 2,75 marta kam bo`lsa, 2ta DNKdagi vodorod bog`lar ayirmasini aniqlang. A)550 B)450 C)350 D250 Ishlanishi: 1) 1-DNK da H bog’larni topamiz: 2A+2G=750 A+G=2,5G A=1,5G 2) 2*1,5G+2G=750 5G=750 G=150 3) 2A+2*150=750 2A=750-300 2A=450 A=225 4) H=(2*225)+(3*150) H=450+450 H Download 0.58 Mb. Do'stlaringiz bilan baham: 
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