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A)132,6
B)100,4 C)61,2 D)45
IshlanishiDNK MASALA JAVOBI BILAN(2)
A)132,6
B)100,4 C)61,2 D)45
Ishlanishi:
1) 2A+3G=970
2A-2G=20 5G=950
G=190
2) 2A+3*190=970 2A=970-570 2A=400
A=200
3) 200+190=390 -bu 1 ta zanjirdagi N lar
L=N*0,34 L=390*0,34 L=
132,6 Javob: A
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151. (A+T)-(G-S)=10 va umumiy vodorod bog`lar soni 510
bo`lsa, DNK fragmenti uzunligini aniqlang.(qo`shni nukleotidlar
orasidagi masofa 0,34nm)
A)69,7
B)50,4 C)61,2 D)45
Ishlanishi:
1) 2A+3G=510
2A-2G=10 5G=500
G=100
2) 2A+3*100=510 2A=510-300 2A=210
A=105
3) 105+100=205 -bu 1 ta zanjirdagi N lar
L=N*0,34 L=205*0,34 L=
69,7 Javob: A
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152. (A+T)-(G-S)=16 va umumiy vodorod bog`lar soni 666
bo`lsa, DNK fragmenti uzunligini aniqlang.(qo`shni nukleotidlar
orasidagi masofa 0,34nm)
A)91,12
B)50,4 C)61,2 D)45
Ishlanishi:
1) 2A+3G=666
2A-2G=16 5G=650
G=130
2) 2A+3*130=666 2A=666-390 2A=276
A=138
3) 138+130=268 -bu 1 ta zanjirdagi N lar
L=N*0,34 L=147*0,34 L=
91,12 Javob: A
____________________________
153. i-RNK 90ta nukleotidan iborat bo`lsa, oqsil sintezida
qatnashgan DNKdagi purin asosi(a) va fosfodiefir bog`lar sonini
aniqlang.
A)a-90 b-178
B)a-80 b-158
C)a-70 b-138 D)a-60 b-118
Ishlanishi:
1) purin=A+G=
90N
2) 90*2=180N 180-2=
178F Javob: A
____________________________
154. i-RNK 80ta nukleotidan iborat bo`lsa, oqsil sintezida
qatnashgan DNKdagi purin asosi(a) va fosfodiefir bog`lar sonini
aniqlang.
A)a-90 b-178
B)a-80 b-158
C)a-70 b-138 D)a-60 b-118
Ishlanishi:
1) purin=A+G=
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