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DNK MASALA JAVOBI BILAN(1) (1)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
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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
Ishlanishi:
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
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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
Ishlanishi:
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
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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
Ishlanishi:
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
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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
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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)
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