Home
Class 12
BIOLOGY
In E.coil DNA has 18% of bases of cytosi...

In E.coil DNA has 18% of bases of cytosine. What will be the fractiono of adenine ?

A

0.18

B

0.32

C

0.36

D

Data insufficient

Text Solution

Verified by Experts

The correct Answer is:
B
C=18%, As C+G and therefore, G=18%, C+G=18+18=36%, A+T=100-36=64% and A=T and thus A=64/2=32%
Promotional Banner

Topper's Solved these Questions

  • MINERAL NUTRITION

    TRUEMAN BIOLOGY|Exercise MULTIPLE CHOICE QUESTIONS|386 Videos

  • Monera

    TRUEMAN BIOLOGY|Exercise ASSERTION AND REASON|14 Videos

Similar Questions

Explore conceptually related problems

In E. coli DNA has 18% of bases of cytosine. What will be the fraction of adenine?

If a double stranded DNA has 20% of cytosines, calculate the percent of adenine in the DNA.

In a 3.2 Kbp long piece of DNA , 820 adenine bases were found. What would be number of cyosine bases

A cell 'A' has Psi_(W)=-18 bars and its adjacent cell 'B' has a water potential to -23 bars . Which cell has higher Psi_(W) and what will be the direction of movement of water is

In sea urchin DNA, which is double stranded, 17% of the bases were show to be cytosine. The percentages of the other three bases expected to be present in this DNA are

In sea urchin DNA, which is double stranded, 17% of the bases were show to be cytosine. The percentages of the other three bases expected to be present in this DNA are

TRUEMAN BIOLOGY-MOLECULAR BASIS OF INHERITANCE-MCQs
  1. Exact replication of DNA is possible due to

    Text Solution

    |

  2. If A= 120 and C = 120, then a piece of DNA will have ........ nucleoti...

    Text Solution

    |

  3. In E.coil DNA has 18% of bases of cytosine. What will be the fractio...

    Text Solution

    |

  4. Which is in appropriate among the following in terms of the concept th...

    Text Solution

    |

  5. Viruses with double stranded (ds) RNA are

    Text Solution

    |

  6. In 'B' model DNA, the diamter is 20Å. It is ………in Z DNA.

    Text Solution

    |

  7. Which statement is wrong about DNA ?

    Text Solution

    |

  8. Diameter and pitch per turn of helix of 'A' model of DNA is

    Text Solution

    |

  9. The enzyme which helps to cut one strand of DNA duplex to release tens...

    Text Solution

    |

  10. DNA is genetic material was proved by

    Text Solution

    |

  11. Proteins that hep to open up DNA helix in front of the replication for...

    Text Solution

    |

  12. By using proteins from TMV (Tobacco-mosaic virus) and RNA from HRV (Ho...

    Text Solution

    |

  13. The experimental system used in studies on replication of DNA is

    Text Solution

    |

  14. Amount of DNA per diploid cell of man and its length is about

    Text Solution

    |

  15. Central Dogma of modern genetics is

    Text Solution

    |

  16. Eukaryotes differ from prokaryotes in the mechanism of DNA replication...

    Text Solution

    |

  17. DNA replication is:-

    Text Solution

    |

  18. Under the concept of triplet code, the segment of DNA specifying one f...

    Text Solution

    |

  19. When DNA is transferred from a culture of capsulated pneumococcus to a...

    Text Solution

    |

  20. Sum of all the genes is a population is called

    Text Solution

    |