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Genes that are involved in turning on or...

Genes that are involved in turning on or off the transcription of set of structural genes are called Or Functioning of structural genes is controlled by

A

polymorphic genes

B

operator genes

C

reductant genes

D

regulatory genes

Text Solution

Verified by Experts

The correct Answer is:
D
The switching on and off of an operator is controlled by respressor protein which is coded by the regulator gene R.
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NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-MOLECULAR BASIS OF INHERITANCE-EXERCISE
  1. In DNA when AGCT occurs , their association is as per which of the fol...

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  2. DNA parts which can switch their position are

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  3. Genes that are involved in turning on or off the transcription of set ...

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  4. Protein synthesis in an animal cell, takes place

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  5. Which of the following RNAs up specific amino acid (from amino acid po...

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  6. The three codons which result in the termination of polypeptide chain...

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  7. Genes are packed in bacterial chromosome by

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  8. An enzyme that joins the ends of two strands of nucleic acids is a

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  9. Okazaki fragments are seen during

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  10. Triplet for inhibitting process of translation is

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  11. The basis of DNA fingerprinting is :

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  12. In eukaryotic genes, coding sequences are called :

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  13. If the sequences of bases in DNA is ATTCGATG, then the sequence of bas...

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

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

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  16. Which is not directly involved in protein synthesis ?

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

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  18. DNA template sequence of CTGATAGC is transcribed over mRNA as

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  19. In Escherichia coli, lac operon is induced by :

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  20. Reverse transcriptase is :

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