A)1-DNK B)2-DNK C)3-DNK D)4-DNK
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
4) D1=D2/1,2 D1=720/1,2
D1=600 Javob: A _____________________________ 169. 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,2-DNK
malekulasidagi fosfosiefir bog`lar sonini aniqlang.
A)718 B)598 C)898 D)358
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
5) F=N-2 F=720-2=
718F -fosfodiefir bog’lar soni
Javob: A _____________________________ 170. 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
malekulasidagi fosfosiefir bog`lar sonini aniqlang.
A)718 B)598
C)898 D)718
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
