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Addition of lactose in a culture of E. c...

Addition of lactose in a culture of E. coli induces enzymes ---------- to break down the lactose into glucose and galactose.

A

`beta`- galactosidase and transacetylase

B

transacetylase and permease

C

`beta-` galactosidase, permease , transacetylase

D

None of the above

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The correct Answer is:
C
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ARIHANT NEET-GENE, ITS EXPRESSION AND REGULATION-Chapter Exercise (A) Taking it together (Assorted questions of the Chapter for Advanced Level Practice
  1. Which one of the following pairs is correctly matched?

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  2. During protein synthesis , the correct amino acid is brought to the ri...

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  3. Addition of lactose in a culture of E. coli induces enzymes ----------...

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  4. Practice using the dictionary of the genetic code determine the amino ...

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  5. During protein synthesis , the correct amino acid is brought to the ri...

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  6. Which among the following codon do not codes for valine (val)?

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  7. The process of translation requires

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  8. Which of the following is true about the terminator

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  9. Which of the following is true about the promoter gene?

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  10. In protein synthesis, a polypeptide of five amino acids is synthesized...

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  11. In mRNA , AUG is the initiating codons and UAA, UAG and UGA are termin...

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  12. In tryptophan synthesis pathway , tryptophan acts as a compressor . Wh...

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  13. While analysing the DNA of an organism a total number of 5386 nucleoti...

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  14. Which of the following is true for RNA processing?

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  15. A DNA molecule in which both strands have radioactive thymidine is all...

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  16. A bacteria containing 100% N^(15) nitrogen bases is allowed to replica...

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  17. A DNA molecule in E. coli is heavy and labelled with N^(15). Iit is al...

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  18. DNA is a polymer of nucleotides which are linked to each other by 3'-5...

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  19. Which of the following pairs is correctly matched?

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  20. Unlike the process of replication , which one set in the total DNA of ...

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