Biologiya Milliy sertifikat | Behzodbek Jo'rayev
Bugun Milliy sertifikat natijalari
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Avvalgi Milliy sertifikatda tushgan savollar bilan tanishing!!
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1-savol
https://t.me/Biologiya_quizuz/8831
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2-savol
https://t.me/Biologiya_quizuz/8832
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3-savol
https://t.me/Biologiya_quizuz/8833
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4-savol
https://t.me/Biologiya_quizuz/8836
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5-savol
https://t.me/Biologiya_quizuz/8846
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6-savol
https://t.me/Biologiya_quizuz/8882
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Masala yechimi
4 ta nomaʼlum nukleotidli DNK molekulalarining biridan suniy sharoitda 99 ta peptid bogʼli oqsil molekulasi sintezlandi. Barcha DNK molekulasidagi nukleotidlar oqsil biosinteziga javob boʼlgan DNK molekulasidan 4,3 marta koʼp. 2-DNK nukleotidi 1-DNK nukleotidlaridan 1,2 marta, 3-DNK dan 0,8 marta, 4-DNK nukleotidlaridan 2 marta katta boʼlsa, transkripsiyada ishtrok etgan DNK molekulasini aniqlang
A) 1-DNK
B) 2-DNK
C) 3-DNK
D) 4-DNK
#YECHIMI
1) 99+1=100 aminokislota
2) 100•6 = 600 DNK dagi nukleotid
3) 4,3•600=2580 jami nukleotidlar
1-DNK - x
2-DNK - 1,2x
3-DNK - 1,2:0,8=1,5x
4-DNK - 1,2:2=0,6x
x+1,2x+1,5x+0,6x = 2580
4,3x = 2580
x=600 ta
Demak
1-DNK da 600 ta
2-DNK da 600•1,2=720 ta
3-DNK da 600•1,5=900 ta
4-DNK da 600•0,6=360 ta
Javob: A) 1-DNK