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Which enzymes will be produced in a cell...

Which enzymes will be produced in a cell in which there is a nonsense mutation in the lac Y gene ?

A

Lactose permease

B

Transacetylase

C

Lactose permease and transacetylase

D

`beta` galactosidase

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The correct Answer is:
B
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USHA PUBLICATION-MOLECULAR BASIS OF INHERITANCE-EXERCISE
  1. What is it that forms the basis of DNA fingerprinting ?

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  2. DNA fragments generated by the restriction endonucleases in a chemical...

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  3. Which enzymes will be produced in a cell in which there is a nonsense ...

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  4. The largest gene in human is

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  5. Which one of the following is wrongly matched ?

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  6. An analysis of chromosomal DNA using the southern hybridization techni...

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  7. Which vector can clone only a small fragment of DNA ?

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  8. Commonly used vectors for human genome sequencing are :

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  9. Gene regulation governing lactose Operon E. Coli that involves the Lac...

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  10. In sea urchin DNA , which is double stranded , 17 of the bases were sh...

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  11. Lactose ( lac ) operon is regulated by :

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  12. The enzyme peptidyl transferase of prokaryotes resides in :

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  13. The tRNA anticodon 3' - UAC - 5' will pair with the mRNA codon :

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  14. In a DNA strand the nucleotides are linked together by :

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  15. A nucleoside differs from a nucleotide . It lacks the :

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  16. Both deoxyribose and ribose belong to a class of sugars called :

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  17. The fact that a purine base always paired through hydrogen bonds with ...

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  18. The net electric charge on DNA and histones is :

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  19. The promoter site and the terminator site for transcription are locate...

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  20. Which of the following statements is the most appropriate for sickle c...

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