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In ans inducible operon, the genes are...

In ans inducible operon, the genes are

A

Always expressed

B

Usually not expressed unless a single turns them on

C

Usually expressed unless a single turns them off

D

Never expressed

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The correct Answer is:
D
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AAKASH INSTITUTE-MOLECULAR BASIS OF INHERITANCE -ASSIGNMENT (SECTION -C) Previous Years Questions
  1. Which of the following is not a property of the genetic code ?

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  2. One of the most frequently used techniques in DNA fingerprinting i...

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  3. In ans inducible operon, the genes are

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  4. A single strand of nucleic acid tagged with a radioactive molecule is ...

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  5. The reaction, Amino acid + ATP rarr Aminoacyl -MAP+ P-P depicts :

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  6. The transcription of any gene is the indication of its :

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  7. mRNA direct the building of proteins through a sequience of

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  8. Beadle and Tatum showed that each kind of mutant bread mould they stud...

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  9. Which of the following nucleotide sequences contains 4 pyrimidine ba...

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  10. The 1992 Noble Prize for medicine was awarded to Edmond H. Fischer ...

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  11. Initiation codon in eukaryotes

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  12. Lac operon in E.coil, is induced by

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  13. There are special proteins that help to open up DNA double helix in fr...

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  14. In protein synthesis the polymerization of amino acids involves three ...

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  15. Anticodon is an unpaired triplet of bases in an exposed position of

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  16. An environmental agent that triggers transcription from an operon is a...

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  17. In slpit genes, the coding sequences are called

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  18. The lac operon is an example of :

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  19. If the DNA condons are ATG ATG ATG and a cytosine base is inserted at...

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  20. The wild type E. coli cells are growing in normal medium with glucose....

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