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A)91,12 B)50,4 C)61,2 D)45
IshlanishiDNK MASALA JAVOBI BILAN(1) (1)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
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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
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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=80N
2) 80*2=160N 160-2=158F Javob: B
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155. i-RNK 70ta 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=70N
2) 70*2=140N 140-2=138F Javob: C
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156. i-RNK 60ta 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=60N
2) 60*2=120N 120-2=118F Javob: D
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157. i-RNK 100ta nukleotidan iborat bo`lsa, oqsil sintezida
qatnashgan DNKdagi purin asosi(a) va fosfodiefir bog`lar sonini
aniqlang.
A)a-100 b-298 B)a-110 b-218
C)a-120 b-238 D)a-260 b-518
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