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173. 4ta nomalum nukleotidli DNK
molekulalarining biridan
su`niy
sharoitda
99ta
peptid
bog`li
oqsil
molekulasi
sintezlandi.Barcha DNK molekulasidagi
nukleotidlar oqsil
biosinteziga javob bo`lgan DNK molekulasidan 4,3 marta ko`p. 2-
DNK nukleotidi 1-DNK nukleotidlaridan 1,2 marta, 3-DNK dan 0,8
marta, 4-DNK nukleotidlaridan 2 marta katta bo`lsa,3-DNK
malekulasini uzunligini aniqlang.
A)122,4
B)153
C)102 D)61,2
Ishlanishi:
1) 1-DNK=x/1,2; 2-DNK=x; 3-DNK=x/0,8; 4-DNK=x/2
2) 99+1=100AK 100AK*3=300N 300N*2=600N
3) 600*4,3=2580 -4 ta DNK dagi
barcha N lar
4) x/1,2+x+x/0,8+x/2=2580
10x+12x+15x+6x=30960
43x=30960
x=720 -bu 2-DNK
dagi N lar soni 720/2=360
5) D3=D2/0,8 D3=720/0,8 D3=900 900/2=
450
6) L=N*0,34nm L=450*0,34nm L=
153nm
Javob: B
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174. 4ta nomalum nukleotidli DNK molekulalarining biridan
su`niy
sharoitda
99ta
peptid
bog`li
oqsil
molekulasi
sintezlandi.Barcha DNK molekulasidagi nukleotidlar oqsil
biosinteziga javob bo`lgan DNK molekulasidan 4,3 marta ko`p. 2-
DNK nukleotidi 1-DNK nukleotidlaridan 1,2 marta, 3-DNK dan 0,8
marta, 4-DNK nukleotidlaridan 2 marta katta bo`lsa,oqsil
biosintezida ishtrok etgan DNK molekulasini uzunligini aniqlang.
A)122,4 B)153
C)102
D)61,2
Ishlanishi:
1) 1-DNK=x/1,2; 2-DNK=x; 3-DNK=x/0,8; 4-DNK=x/2
2) 99+1=100AK 100AK*3=300N 300N*2=600N
3) 600*4,3=2580 -4 ta DNK dagi barcha N lar
4) x/1,2+x+x/0,8+x/2=2580
10x+12x+15x+6x=30960
43x=30960
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