Home
Class 11
BIOLOGY
Sulpha drugs/sulphanilamide kill bacteri...

Sulpha drugs/sulphanilamide kill bacteria by inhibiting of which of the following ?

A

Para-aminobenzoic acid

B

Folic acid

C

Phenylalanine

D

Methionin

Text Solution

Verified by Experts

The correct Answer is:
B
Sulpha durgs compete P-aminobenzoic acid (PABA) which is essential for the synthesis of folic acid in bacteria . The Sulpha drugs act as competetive inhibitor and combine with enzyme and do not allow enzyme to act with RABA.
Promotional Banner

Topper's Solved these Questions

  • ANIMAL TISSUES

    TRUEMAN BIOLOGY|Exercise MULTIPLE CHOICE QUESTIONS|193 Videos

  • CELL- THE BASIC UNIT OF LIFE ( CELL AND ITS STRUCTURAL ORGANISATION )

    TRUEMAN BIOLOGY|Exercise MULTIPLE CHOICE ANSWER TYPE|312 Videos

Similar Questions

Explore conceptually related problems

Herbicides kill plants by inhibiting

Bacteria are included in which of the following kingdoms

Which of the following are sulpha drugs-

Excess of ATP inhibits respiration by inhibiting one of the following enzymes

Which of the following is ann opioid drug?

Which of the following is a synthetic drug?

Which of the following antibiotics kills bacterial cells by inhibitng the polymerisation of peptidoglycans

While isolating DNA from bacteria, which of the following enzymes is not used ?

Antiseptics and disinfectants kill microbes or prevent their growth. Which one of the following statements related to them is not true-

Excess of ATP inhibits which enzyme

TRUEMAN BIOLOGY-BIOMOLECULES -MULTIPLE CHOICE QUESTIONS
  1. Which of the following remains unchanged in reversible competitiv...

    Text Solution

    |

  2. Which is common among Amylase, rennin and trypsin?

    Text Solution

    |

  3. Sulpha drugs/sulphanilamide kill bacteria by inhibiting of which of ...

    Text Solution

    |

  4. One molecule of an enzyme is able to catalyse conversion of two molecu...

    Text Solution

    |

  5. ATP was discovered by

    Text Solution

    |

  6. Which form of RNA has a structure resembling clover leaf ?

    Text Solution

    |

  7. Enzymes, vitamins and hormones can be classified into a single categor...

    Text Solution

    |

  8. Which one of the following statements regarding enzyme inhibition is...

    Text Solution

    |

  9. The catalytic efficiency of two different enzymes can be compared by t...

    Text Solution

    |

  10. Which one is nucleotide?

    Text Solution

    |

  11. Nucleic acids are strong acids. The acidity is due to

    Text Solution

    |

  12. Adenylic acid is

    Text Solution

    |

  13. Adenosine monophosphate is a

    Text Solution

    |

  14. In DNA model of Watson & Crick, the major grooves are site of

    Text Solution

    |

  15. At 82-92^(@)C the H-bonds between nitrogen bases of complementary str...

    Text Solution

    |

  16. On cooling the two separated strands of DNA again recoil. It is called

    Text Solution

    |

  17. IF DNA has 10 spirals,t he length of DNA will be

    Text Solution

    |

  18. What would be the length of DNA containing 10000 base pairs?

    Text Solution

    |

  19. How many nucleotides are found in one spiral of B-DNA?

    Text Solution

    |

  20. How many spirals (twins or helices) a DNA of 2000 base pairs will have...

    Text Solution

    |